diff --git a/messages/de.json b/messages/de.json
index 13bcb27aa..7e1b58038 100644
--- a/messages/de.json
+++ b/messages/de.json
@@ -3554,7 +3554,8 @@
       "emptyState": {
         "title": "Noch keine HRV-Werte",
         "description": "HRV-Werte erscheinen hier, sobald die Apple Watch (oder ein kompatibles Withings-Gerät) nächtliche Messungen synchronisiert."
-      }
+      },
+      "coachPrefill": "Ich habe noch keine HRV-Daten erfasst. Was sagt mir die Herzfrequenzvariabilität, und wie erfasse ich sie?"
     },
     "restingHr": {
       "title": "Ruhepuls",
@@ -3573,7 +3574,8 @@
       "emptyState": {
         "title": "Noch keine SpO₂-Werte",
         "description": "SpO₂-Werte erscheinen, sobald ein kompatibles Wearable (Apple Watch, Withings ScanWatch) eine Messung erfasst."
-      }
+      },
+      "coachPrefill": "Ich habe noch keine Sauerstoffsättigung erfasst. Was sagt mir die SpO₂, und welchen Bereich sollte ich anstreben?"
     },
     "bodyTemperature": {
       "title": "Körpertemperatur",
@@ -3583,7 +3585,8 @@
         "title": "Noch keine Körpertemperatur",
         "description": "Erfasse eine Körpertemperatur oder lass dein Wearable einen Wert synchronisieren. Der Verlauf erscheint dann hier.",
         "cta": "Körpertemperatur erfassen"
-      }
+      },
+      "coachPrefill": "Ich habe noch keine Körpertemperatur erfasst. Was ist der gesunde Bereich, und was sollte ich tun, wenn sie abweicht?"
     },
     "steps": {
       "title": "Schritte",
@@ -3592,7 +3595,8 @@
       "emptyState": {
         "title": "Noch keine Schrittdaten",
         "description": "Tägliche Schritt-Summen erscheinen hier, sobald Apple Health oder ein Aktivitätsgerät einen Tagesumfang synchronisiert."
-      }
+      },
+      "coachPrefill": "Ich habe noch keine Schritte erfasst. Was ist ein sinnvolles tägliches Schrittziel, und wie hilft mehr Gehen meiner Gesundheit?"
     },
     "activeEnergy": {
       "title": "Aktive Energie",
@@ -3601,7 +3605,8 @@
       "emptyState": {
         "title": "Noch keine Aktive-Energie-Werte",
         "description": "Aktive-Energie-Summen erscheinen hier, sobald Apple Health oder ein Withings-Aktivitätsgerät einen Tagesumfang synchronisiert."
-      }
+      },
+      "coachPrefill": "Ich habe noch keine aktive Energie erfasst. Was ist ein sinnvolles Tagesziel, und wie verhält es sich zum gesamten Kalorienverbrauch?"
     },
     "subPage": {
       "loadError": "Diese Messgröße konnte gerade nicht geladen werden.",
@@ -3696,7 +3701,8 @@
       "valuesBack": "Zurück zu Insights",
       "valuesBackToMetric": "Zurück zu {metric}",
       "scoresBack": "Zurück zu Insights",
-      "ecgDescription": "Einkanal-EKG-Aufzeichnungen deines Geräts, jeweils mit dem Ergebnis des Geräts."
+      "ecgDescription": "Einkanal-EKG-Aufzeichnungen deines Geräts, jeweils mit dem Ergebnis des Geräts.",
+      "emptyCoachPrefill": "{metric}: Ich habe hier noch nichts erfasst. Was sagt dieser Wert über meine Gesundheit aus, und wie verbessere ich ihn?"
     },
     "units": {
       "steps": "Schritte",
@@ -3796,27 +3802,32 @@
       "bloodPressure": {
         "title": "Noch keine Blutdruckwerte",
         "description": "Sobald du Blutdruck loggst, erscheinen hier Trend, Zielbereichs-Anteil und WHO-Klassifizierung.",
-        "cta": "Blutdruck loggen"
+        "cta": "Blutdruck loggen",
+        "coachPrefill": "Ich habe noch keinen Blutdruck erfasst. Warum ist er wichtig, und was sollte ich wissen, bevor ich anfange?"
       },
       "weight": {
         "title": "Noch keine Gewichtswerte",
         "description": "Logge ein Gewicht, und Verlauf, gleitender Durchschnitt und Zielbereich erscheinen automatisch.",
-        "cta": "Gewicht loggen"
+        "cta": "Gewicht loggen",
+        "coachPrefill": "Ich habe noch kein Gewicht erfasst. Warum ist es wichtig, und was sollte ich wissen, bevor ich mit dem Erfassen anfange?"
       },
       "pulse": {
         "title": "Noch keine Pulswerte",
         "description": "Logge einen Puls, dann erscheinen Ruhepuls, HRV und VO₂ max in dieser Ansicht.",
-        "cta": "Puls loggen"
+        "cta": "Puls loggen",
+        "coachPrefill": "Ich habe noch keinen Ruhepuls erfasst. Warum ist er wichtig, und was sollte ich wissen, bevor ich anfange?"
       },
       "bmi": {
         "title": "BMI noch nicht berechnet",
         "description": "Sobald Größe und mindestens ein Gewichtswert vorliegen, erscheint hier der BMI-Verlauf samt WHO-Zonen.",
-        "cta": "Gewicht loggen"
+        "cta": "Gewicht loggen",
+        "coachPrefill": "Ich habe noch kein Gewicht erfasst. Warum ist der BMI für mich wichtig, und was sollte ich wissen, bevor ich ihn verfolge?"
       },
       "mood": {
         "title": "Noch keine Stimmungseinträge",
         "description": "Logge eine Stimmung, dann erscheinen Verlauf, Stabilitätsband und Korrelationen.",
-        "cta": "Stimmung loggen"
+        "cta": "Stimmung loggen",
+        "coachPrefill": "Ich habe noch keine Stimmung erfasst. Warum lohnt es sich, die Stimmung zu erfassen, und wie fange ich am besten an?"
       },
       "medication": {
         "title": "Noch keine Medikamente angelegt",
@@ -3826,7 +3837,8 @@
       "sleep": {
         "title": "Noch keine Schlafwerte",
         "description": "Sobald Schlafdaten vorliegen (manuell oder via Withings / Apple Health), erscheint hier der nächtliche Stadien-Verlauf.",
-        "cta": "Quelle verbinden"
+        "cta": "Quelle verbinden",
+        "coachPrefill": "Ich habe noch keine Schlafdaten. Warum lohnt es sich, Schlaf zu erfassen, und was sollte ich wissen, bevor ich eine Quelle verbinde?"
       }
     },
     "navWorkouts": "Workouts",
@@ -3836,7 +3848,8 @@
       "description": "Letzte Läufe, Touren, Spaziergänge und Krafteinheiten, quellenübergreifend entdoppelt zwischen Apple Watch und Withings.",
       "emptyState": {
         "title": "Noch keine Workouts",
-        "description": "Workouts kommen per Apple Health vom iPhone und von Withings. Du kannst eins auch von Hand erfassen."
+        "description": "Workouts kommen per Apple Health vom iPhone und von Withings. Du kannst eins auch von Hand erfassen.",
+        "coachPrefill": "Ich habe noch keine Workouts erfasst. Warum lohnt es sich, sie zu erfassen, und worauf sollte ich mich zuerst konzentrieren?"
       },
       "detail": {
         "backToList": "Zurück zu Workouts",
@@ -4716,7 +4729,8 @@
       "emptyState": {
         "title": "Noch keine Sturzdaten",
         "description": "Erkannte Stürze erscheinen hier, sobald Apple Health synchronisiert. Keine Stürze ist das Ziel."
-      }
+      },
+      "coachPrefill": "Ich habe noch keine Sturzdaten erfasst. Was sagt dieser Wert über meine Gesundheit aus, und wie senke ich mein Sturzrisiko?"
     },
     "navFalls": "Stürze",
     "sixMinuteWalk": {
diff --git a/messages/en.json b/messages/en.json
index 6ba260ae3..e9686526d 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -3554,7 +3554,8 @@
       "emptyState": {
         "title": "No HRV samples yet",
         "description": "HRV samples land here once Apple Watch (or a compatible Withings device) starts syncing nightly readings."
-      }
+      },
+      "coachPrefill": "I haven't logged any HRV data yet. What does heart-rate variability tell me, and how do I capture it?"
     },
     "restingHr": {
       "title": "Resting heart rate",
@@ -3573,7 +3574,8 @@
       "emptyState": {
         "title": "No SpO₂ samples yet",
         "description": "SpO₂ samples land here once a compatible wearable (Apple Watch, Withings ScanWatch) captures a reading."
-      }
+      },
+      "coachPrefill": "I haven't logged any oxygen-saturation data yet. What does SpO₂ tell me, and what range should I aim for?"
     },
     "bodyTemperature": {
       "title": "Body temperature",
@@ -3583,7 +3585,8 @@
         "title": "No body temperature yet",
         "description": "Log a body-temperature reading or let your wearable sync one, and the trend will appear here.",
         "cta": "Log body temperature"
-      }
+      },
+      "coachPrefill": "I haven't logged any body temperature yet. What's the healthy range, and what should I do if it drifts?"
     },
     "steps": {
       "title": "Steps",
@@ -3592,7 +3595,8 @@
       "emptyState": {
         "title": "No step data yet",
         "description": "Daily step totals appear here once Apple Health or an activity device syncs a day's worth of movement."
-      }
+      },
+      "coachPrefill": "I haven't logged any steps yet. What's a reasonable daily step target, and how does walking more help my health?"
     },
     "activeEnergy": {
       "title": "Active energy",
@@ -3601,7 +3605,8 @@
       "emptyState": {
         "title": "No active-energy data yet",
         "description": "Active-energy totals land here once Apple Health or a Withings activity device syncs a day's worth of movement."
-      }
+      },
+      "coachPrefill": "I haven't logged any active energy yet. What's a reasonable daily target, and how does it compare to total calories?"
     },
     "subPage": {
       "loadError": "Could not load this metric right now.",
@@ -3696,7 +3701,8 @@
       "valuesBack": "Back to insights",
       "valuesBackToMetric": "Back to {metric}",
       "scoresBack": "Back to insights",
-      "ecgDescription": "Single-lead ECG recordings from your device, each with the device's own result."
+      "ecgDescription": "Single-lead ECG recordings from your device, each with the device's own result.",
+      "emptyCoachPrefill": "{metric}: I haven't logged anything here yet. What does this metric tell me about my health, and how do I improve it?"
     },
     "units": {
       "steps": "steps",
@@ -3796,27 +3802,32 @@
       "bloodPressure": {
         "title": "No blood pressure entries yet",
         "description": "Log a blood pressure reading and the trend chart, in-range share, and WHO classification will appear here.",
-        "cta": "Log blood pressure"
+        "cta": "Log blood pressure",
+        "coachPrefill": "I haven't recorded any blood pressure yet. Why does it matter, and what should I know before I start?"
       },
       "weight": {
         "title": "No weight entries yet",
         "description": "Log a weight and the trend, moving average, and target band will appear automatically.",
-        "cta": "Log weight"
+        "cta": "Log weight",
+        "coachPrefill": "I haven't recorded any weight yet. Why does it matter, and what should I know before I start tracking?"
       },
       "pulse": {
         "title": "No pulse entries yet",
         "description": "Log a pulse reading and resting pulse, HRV and VO₂ max will appear in this view.",
-        "cta": "Log pulse"
+        "cta": "Log pulse",
+        "coachPrefill": "I haven't recorded any resting pulse yet. Why does it matter, and what should I know before I start?"
       },
       "bmi": {
         "title": "BMI not yet computed",
         "description": "Once height and at least one weight entry are present, the BMI trend with WHO zones will appear here.",
-        "cta": "Log weight"
+        "cta": "Log weight",
+        "coachPrefill": "I haven't recorded any weight yet. Why does BMI matter for me, and what should I know before I start tracking it?"
       },
       "mood": {
         "title": "No mood entries yet",
         "description": "Log a mood entry and the trend, stability band and correlations will appear.",
-        "cta": "Log mood"
+        "cta": "Log mood",
+        "coachPrefill": "I haven't logged any mood entries yet. Why does mood tracking matter, and how should I start?"
       },
       "medication": {
         "title": "No medications set up yet",
@@ -3826,7 +3837,8 @@
       "sleep": {
         "title": "No sleep entries yet",
         "description": "Once sleep data lands (manual or via Withings / Apple Health), the per-night stage breakdown will appear here.",
-        "cta": "Connect a source"
+        "cta": "Connect a source",
+        "coachPrefill": "I don't have any sleep data yet. Why does sleep tracking matter, and what should I know before I connect a source?"
       }
     },
     "navWorkouts": "Workouts",
@@ -3836,7 +3848,8 @@
       "description": "Recent runs, rides, walks and strength sessions, deduped across Apple Watch and Withings sources.",
       "emptyState": {
         "title": "No workouts yet",
-        "description": "Workouts sync from Apple Health on your iPhone and from Withings. You can also log one by hand."
+        "description": "Workouts sync from Apple Health on your iPhone and from Withings. You can also log one by hand.",
+        "coachPrefill": "I haven't logged any workouts yet. Why does tracking them matter, and what should I focus on first?"
       },
       "detail": {
         "backToList": "Back to workouts",
@@ -4716,7 +4729,8 @@
       "emptyState": {
         "title": "No fall data yet",
         "description": "Detected falls appear here once Apple Health syncs. No falls is the goal."
-      }
+      },
+      "coachPrefill": "I haven't logged any fall data yet. What does this metric tell me about my health, and how do I lower my fall risk?"
     },
     "navFalls": "Falls",
     "sixMinuteWalk": {
diff --git a/messages/es.json b/messages/es.json
index 62128c707..877ccf275 100644
--- a/messages/es.json
+++ b/messages/es.json
@@ -3554,7 +3554,8 @@
       "emptyState": {
         "title": "Aún no hay valores de VFC",
         "description": "Los valores de VFC aparecerán aquí en cuanto Apple Watch (o un dispositivo Withings compatible) sincronice las mediciones nocturnas."
-      }
+      },
+      "coachPrefill": "Aún no he registrado datos de VFC: ¿qué me dice la variabilidad de la frecuencia cardíaca y cómo la registro?"
     },
     "restingHr": {
       "title": "FC en reposo",
@@ -3573,7 +3574,8 @@
       "emptyState": {
         "title": "Aún no hay muestras de SpO₂",
         "description": "Las muestras de SpO₂ llegan aquí en cuanto un wearable compatible (Apple Watch, Withings ScanWatch) capture una lectura."
-      }
+      },
+      "coachPrefill": "Aún no he registrado la saturación de oxígeno: ¿qué me dice la SpO₂ y a qué rango debería aspirar?"
     },
     "bodyTemperature": {
       "title": "Temperatura corporal",
@@ -3583,7 +3585,8 @@
         "title": "Aún no hay temperatura corporal",
         "description": "Registra una lectura o deja que tu wearable sincronice una, y la tendencia aparecerá aquí.",
         "cta": "Registrar temperatura corporal"
-      }
+      },
+      "coachPrefill": "Aún no he registrado la temperatura corporal: ¿cuál es el rango saludable y qué debo hacer si se desvía?"
     },
     "steps": {
       "title": "Pasos",
@@ -3592,7 +3595,8 @@
       "emptyState": {
         "title": "Aún no hay datos de pasos",
         "description": "Los totales diarios de pasos aparecerán aquí en cuanto Apple Salud o un dispositivo de actividad sincronice un día completo."
-      }
+      },
+      "coachPrefill": "Aún no he registrado pasos: ¿cuál es un objetivo diario de pasos razonable y cómo ayuda a mi salud caminar más?"
     },
     "activeEnergy": {
       "title": "Energía activa",
@@ -3601,7 +3605,8 @@
       "emptyState": {
         "title": "Aún no hay datos de energía activa",
         "description": "Los totales de energía activa aparecerán aquí en cuanto Apple Salud o un dispositivo de actividad Withings sincronice un día completo."
-      }
+      },
+      "coachPrefill": "Aún no he registrado energía activa: ¿cuál es un objetivo diario razonable y cómo se compara con las calorías totales?"
     },
     "subPage": {
       "loadError": "No se pudo cargar esta métrica ahora mismo.",
@@ -3696,7 +3701,8 @@
       "valuesBack": "Volver a Insights",
       "valuesBackToMetric": "Volver a {metric}",
       "scoresBack": "Volver a Insights",
-      "ecgDescription": "Registros de ECG de una derivación de tu dispositivo, cada uno con el resultado del propio dispositivo."
+      "ecgDescription": "Registros de ECG de una derivación de tu dispositivo, cada uno con el resultado del propio dispositivo.",
+      "emptyCoachPrefill": "{metric}: aún no he registrado nada aquí. ¿Qué dice esta métrica sobre mi salud y cómo la mejoro?"
     },
     "units": {
       "steps": "pasos",
@@ -3796,27 +3802,32 @@
       "bloodPressure": {
         "title": "Aún no hay registros de presión arterial",
         "description": "Registra una medición de presión y aquí aparecerán la tendencia, el porcentaje en rango y la clasificación de la OMS.",
-        "cta": "Registrar presión"
+        "cta": "Registrar presión",
+        "coachPrefill": "Aún no he registrado la presión arterial: ¿por qué importa y qué debería saber antes de empezar?"
       },
       "weight": {
         "title": "Aún no hay registros de peso",
         "description": "Registra un peso y aparecerán automáticamente la tendencia, la media móvil y la zona objetivo.",
-        "cta": "Registrar peso"
+        "cta": "Registrar peso",
+        "coachPrefill": "Aún no he registrado mi peso: ¿por qué importa y qué debería saber antes de empezar a registrarlo?"
       },
       "pulse": {
         "title": "Aún no hay registros de pulso",
         "description": "Registra un pulso y aquí aparecerán pulso en reposo, VFC y VO₂ máx.",
-        "cta": "Registrar pulso"
+        "cta": "Registrar pulso",
+        "coachPrefill": "Aún no he registrado el pulso en reposo: ¿por qué importa y qué debería saber antes de empezar?"
       },
       "bmi": {
         "title": "IMC aún no calculado",
         "description": "Cuando haya altura y al menos un registro de peso, aquí aparecerá la tendencia del IMC con las zonas de la OMS.",
-        "cta": "Registrar peso"
+        "cta": "Registrar peso",
+        "coachPrefill": "Aún no he registrado mi peso: ¿por qué me importa el IMC y qué debería saber antes de empezar a seguirlo?"
       },
       "mood": {
         "title": "Aún no hay entradas de estado de ánimo",
         "description": "Registra un estado de ánimo y aparecerán la tendencia, la banda de estabilidad y las correlaciones.",
-        "cta": "Registrar ánimo"
+        "cta": "Registrar ánimo",
+        "coachPrefill": "Aún no he registrado mi estado de ánimo: ¿por qué importa registrarlo y cómo debería empezar?"
       },
       "medication": {
         "title": "Aún no hay medicamentos configurados",
@@ -3826,7 +3837,8 @@
       "sleep": {
         "title": "Aún no hay registros de sueño",
         "description": "Una vez disponibles los datos de sueño (manual o vía Withings / Apple Health), aquí aparecerá el desglose por fases.",
-        "cta": "Conectar una fuente"
+        "cta": "Conectar una fuente",
+        "coachPrefill": "Aún no tengo datos de sueño: ¿por qué importa registrar el sueño y qué debería saber antes de conectar una fuente?"
       }
     },
     "navWorkouts": "Entrenamientos",
@@ -3836,7 +3848,8 @@
       "description": "Carreras, salidas en bici, paseos y sesiones de fuerza recientes, deduplicados entre Apple Watch y Withings.",
       "emptyState": {
         "title": "Aún no hay entrenamientos",
-        "description": "Los entrenamientos llegan desde Apple Salud en el iPhone y desde Withings. También puedes registrar uno a mano."
+        "description": "Los entrenamientos llegan desde Apple Salud en el iPhone y desde Withings. También puedes registrar uno a mano.",
+        "coachPrefill": "Aún no he registrado entrenamientos: ¿por qué importa registrarlos y en qué debería centrarme primero?"
       },
       "detail": {
         "backToList": "Volver a entrenamientos",
@@ -4716,7 +4729,8 @@
       "emptyState": {
         "title": "Aún no hay datos de caídas",
         "description": "Las caídas detectadas aparecen aquí cuando Apple Health se sincroniza. Cero caídas es el objetivo."
-      }
+      },
+      "coachPrefill": "Aún no he registrado datos de caídas: ¿qué dice esta métrica sobre mi salud y cómo reduzco mi riesgo de caídas?"
     },
     "navFalls": "Caídas",
     "sixMinuteWalk": {
diff --git a/messages/fr.json b/messages/fr.json
index f9885e3c5..e0cec9458 100644
--- a/messages/fr.json
+++ b/messages/fr.json
@@ -3554,7 +3554,8 @@
       "emptyState": {
         "title": "Aucune mesure de VFC",
         "description": "Les mesures de VFC apparaîtront ici dès que l'Apple Watch (ou un appareil Withings compatible) synchronisera des relevés nocturnes."
-      }
+      },
+      "coachPrefill": "Je n’ai pas encore enregistré de données de VFC. Que m’apprend la variabilité de la fréquence cardiaque, et comment la mesurer ?"
     },
     "restingHr": {
       "title": "FC au repos",
@@ -3573,7 +3574,8 @@
       "emptyState": {
         "title": "Aucune mesure SpO₂",
         "description": "Les mesures SpO₂ apparaîtront dès qu'un wearable compatible (Apple Watch, Withings ScanWatch) en capturera une."
-      }
+      },
+      "coachPrefill": "Je n’ai pas encore enregistré de saturation en oxygène. Que m’apprend la SpO₂, et quelle plage viser ?"
     },
     "bodyTemperature": {
       "title": "Température corporelle",
@@ -3583,7 +3585,8 @@
         "title": "Aucune température corporelle",
         "description": "Enregistrez une mesure ou laissez votre wearable en synchroniser une, et la tendance apparaîtra ici.",
         "cta": "Enregistrer la température"
-      }
+      },
+      "coachPrefill": "Je n’ai pas encore enregistré de température corporelle. Quelle est la plage normale, et que faire si elle s’en écarte ?"
     },
     "steps": {
       "title": "Pas",
@@ -3592,7 +3595,8 @@
       "emptyState": {
         "title": "Aucune donnée de pas",
         "description": "Les totaux de pas quotidiens apparaîtront ici dès qu'Apple Santé ou un appareil d'activité synchronise une journée complète."
-      }
+      },
+      "coachPrefill": "Je n’ai pas encore enregistré de pas. Quel objectif quotidien de pas est raisonnable, et en quoi marcher davantage aide-t-il ma santé ?"
     },
     "activeEnergy": {
       "title": "Énergie active",
@@ -3601,7 +3605,8 @@
       "emptyState": {
         "title": "Aucune donnée d'énergie active",
         "description": "Les totaux d'énergie active apparaîtront dès qu'Apple Santé ou un appareil Withings activité synchronise une journée complète."
-      }
+      },
+      "coachPrefill": "Je n’ai pas encore enregistré d’énergie active. Quel objectif quotidien est raisonnable, et comment se compare-t-il aux calories totales ?"
     },
     "subPage": {
       "loadError": "Impossible de charger cette mesure pour le moment.",
@@ -3696,7 +3701,8 @@
       "valuesBack": "Retour aux Insights",
       "valuesBackToMetric": "Retour à {metric}",
       "scoresBack": "Retour aux Insights",
-      "ecgDescription": "Enregistrements ECG à dérivation unique de votre appareil, chacun accompagné du résultat de l'appareil."
+      "ecgDescription": "Enregistrements ECG à dérivation unique de votre appareil, chacun accompagné du résultat de l'appareil.",
+      "emptyCoachPrefill": "{metric} : je n’ai encore rien enregistré ici. Que dit cette mesure sur ma santé, et comment l’améliorer ?"
     },
     "units": {
       "steps": "pas",
@@ -3796,27 +3802,32 @@
       "bloodPressure": {
         "title": "Aucune mesure de tension artérielle",
         "description": "Enregistrez une mesure de tension : la tendance, la part dans la cible et la classification OMS s'afficheront ici.",
-        "cta": "Enregistrer une tension"
+        "cta": "Enregistrer une tension",
+        "coachPrefill": "Je n’ai pas encore enregistré de tension artérielle. Pourquoi est-ce important, et que dois-je savoir avant de commencer ?"
       },
       "weight": {
         "title": "Aucune mesure de poids",
         "description": "Enregistrez un poids : la tendance, la moyenne glissante et la zone cible apparaîtront automatiquement.",
-        "cta": "Enregistrer un poids"
+        "cta": "Enregistrer un poids",
+        "coachPrefill": "Je n’ai pas encore enregistré de poids. Pourquoi est-ce important, et que dois-je savoir avant de commencer le suivi ?"
       },
       "pulse": {
         "title": "Aucune mesure de pouls",
         "description": "Enregistrez un pouls : pouls au repos, VFC et VO₂ max apparaîtront dans cette vue.",
-        "cta": "Enregistrer un pouls"
+        "cta": "Enregistrer un pouls",
+        "coachPrefill": "Je n’ai pas encore enregistré de pouls au repos. Pourquoi est-ce important, et que dois-je savoir avant de commencer ?"
       },
       "bmi": {
         "title": "IMC pas encore calculé",
         "description": "Dès qu'une taille et au moins un poids sont enregistrés, la tendance IMC avec les zones OMS s'affichera ici.",
-        "cta": "Enregistrer un poids"
+        "cta": "Enregistrer un poids",
+        "coachPrefill": "Je n’ai pas encore enregistré de poids. Pourquoi l’IMC compte-t-il pour moi, et que dois-je savoir avant de le suivre ?"
       },
       "mood": {
         "title": "Aucune entrée d'humeur",
         "description": "Enregistrez une humeur : la tendance, la bande de stabilité et les corrélations s'afficheront.",
-        "cta": "Enregistrer une humeur"
+        "cta": "Enregistrer une humeur",
+        "coachPrefill": "Je n’ai pas encore enregistré d’humeur. Pourquoi suivre mon humeur, et comment commencer ?"
       },
       "medication": {
         "title": "Aucun médicament configuré",
@@ -3826,7 +3837,8 @@
       "sleep": {
         "title": "Aucune donnée de sommeil",
         "description": "Dès que des données de sommeil sont disponibles (manuel ou via Withings / Apple Health), la répartition par stade apparaîtra ici.",
-        "cta": "Connecter une source"
+        "cta": "Connecter une source",
+        "coachPrefill": "Je n’ai pas encore de données de sommeil. Pourquoi suivre mon sommeil, et que dois-je savoir avant de connecter une source ?"
       }
     },
     "navWorkouts": "Entraînements",
@@ -3836,7 +3848,8 @@
       "description": "Courses, sorties à vélo, marches et séances de musculation récentes, dédupliquées entre Apple Watch et Withings.",
       "emptyState": {
         "title": "Aucun entraînement",
-        "description": "Vos entraînements arrivent d'Apple Santé sur l'iPhone et de Withings. Vous pouvez aussi en saisir un à la main."
+        "description": "Vos entraînements arrivent d'Apple Santé sur l'iPhone et de Withings. Vous pouvez aussi en saisir un à la main.",
+        "coachPrefill": "Je n’ai pas encore enregistré d’entraînement. Pourquoi les suivre, et sur quoi me concentrer en premier ?"
       },
       "detail": {
         "backToList": "Retour aux entraînements",
@@ -4716,7 +4729,8 @@
       "emptyState": {
         "title": "Pas encore de données de chutes",
         "description": "Les chutes détectées apparaissent ici dès qu'Apple Santé se synchronise. L'objectif est zéro chute."
-      }
+      },
+      "coachPrefill": "Je n’ai pas encore enregistré de données de chute. Que dit cette mesure sur ma santé, et comment réduire mon risque de chute ?"
     },
     "navFalls": "Chutes",
     "sixMinuteWalk": {
diff --git a/messages/it.json b/messages/it.json
index f78033c05..e4a3c7425 100644
--- a/messages/it.json
+++ b/messages/it.json
@@ -3554,7 +3554,8 @@
       "emptyState": {
         "title": "Ancora nessun valore HRV",
         "description": "I valori HRV appariranno qui non appena Apple Watch (o un dispositivo Withings compatibile) sincronizza le misurazioni notturne."
-      }
+      },
+      "coachPrefill": "Non ho ancora registrato dati HRV. Cosa mi dice la variabilità della frequenza cardiaca e come la rilevo?"
     },
     "restingHr": {
       "title": "FC a riposo",
@@ -3573,7 +3574,8 @@
       "emptyState": {
         "title": "Ancora nessun campione SpO₂",
         "description": "I campioni SpO₂ appariranno qui non appena un wearable compatibile (Apple Watch, Withings ScanWatch) cattura una lettura."
-      }
+      },
+      "coachPrefill": "Non ho ancora registrato la saturazione di ossigeno. Cosa mi dice la SpO₂ e a quale intervallo dovrei puntare?"
     },
     "bodyTemperature": {
       "title": "Temperatura corporea",
@@ -3583,7 +3585,8 @@
         "title": "Ancora nessuna temperatura corporea",
         "description": "Registra una misura o lascia che il tuo wearable ne sincronizzi una: l'andamento apparirà qui.",
         "cta": "Registra temperatura corporea"
-      }
+      },
+      "coachPrefill": "Non ho ancora registrato la temperatura corporea. Qual è l’intervallo sano e cosa dovrei fare se si discosta?"
     },
     "steps": {
       "title": "Passi",
@@ -3592,7 +3595,8 @@
       "emptyState": {
         "title": "Ancora nessun dato sui passi",
         "description": "I totali giornalieri dei passi appariranno qui non appena Apple Salute o un dispositivo di attività sincronizza un'intera giornata."
-      }
+      },
+      "coachPrefill": "Non ho ancora registrato passi. Qual è un obiettivo giornaliero di passi ragionevole e in che modo camminare di più aiuta la mia salute?"
     },
     "activeEnergy": {
       "title": "Energia attiva",
@@ -3601,7 +3605,8 @@
       "emptyState": {
         "title": "Ancora nessun dato di energia attiva",
         "description": "I totali di energia attiva appariranno qui non appena Apple Salute o un dispositivo di attività Withings sincronizza un'intera giornata."
-      }
+      },
+      "coachPrefill": "Non ho ancora registrato energia attiva. Qual è un obiettivo giornaliero ragionevole e come si confronta con le calorie totali?"
     },
     "subPage": {
       "loadError": "Impossibile caricare questa metrica al momento.",
@@ -3696,7 +3701,8 @@
       "valuesBack": "Torna a Insights",
       "valuesBackToMetric": "Torna a {metric}",
       "scoresBack": "Torna a Insights",
-      "ecgDescription": "Registrazioni ECG a singola derivazione dal tuo dispositivo, ciascuna con il risultato del dispositivo."
+      "ecgDescription": "Registrazioni ECG a singola derivazione dal tuo dispositivo, ciascuna con il risultato del dispositivo.",
+      "emptyCoachPrefill": "{metric}: non ho ancora registrato nulla qui. Cosa dice questo valore sulla mia salute e come lo miglioro?"
     },
     "units": {
       "steps": "passi",
@@ -3796,27 +3802,32 @@
       "bloodPressure": {
         "title": "Nessuna misurazione della pressione",
         "description": "Registra una misurazione e qui appariranno l'andamento, la percentuale in target e la classificazione OMS.",
-        "cta": "Registra pressione"
+        "cta": "Registra pressione",
+        "coachPrefill": "Non ho ancora registrato la pressione arteriosa. Perché è importante e cosa dovrei sapere prima di iniziare?"
       },
       "weight": {
         "title": "Nessuna misurazione del peso",
         "description": "Registra un peso: andamento, media mobile e fascia obiettivo appariranno automaticamente.",
-        "cta": "Registra peso"
+        "cta": "Registra peso",
+        "coachPrefill": "Non ho ancora registrato il peso. Perché è importante e cosa dovrei sapere prima di iniziare a monitorarlo?"
       },
       "pulse": {
         "title": "Nessuna misurazione del polso",
         "description": "Registra una misurazione: polso a riposo, HRV e VO₂ max appariranno in questa vista.",
-        "cta": "Registra polso"
+        "cta": "Registra polso",
+        "coachPrefill": "Non ho ancora registrato il polso a riposo. Perché è importante e cosa dovrei sapere prima di iniziare?"
       },
       "bmi": {
         "title": "BMI non ancora calcolato",
         "description": "Una volta inseriti altezza e almeno un peso, qui apparirà l'andamento del BMI con le zone OMS.",
-        "cta": "Registra peso"
+        "cta": "Registra peso",
+        "coachPrefill": "Non ho ancora registrato il peso. Perché il BMI conta per me e cosa dovrei sapere prima di iniziare a monitorarlo?"
       },
       "mood": {
         "title": "Nessuna voce d'umore",
         "description": "Registra un umore: appariranno andamento, fascia di stabilità e correlazioni.",
-        "cta": "Registra umore"
+        "cta": "Registra umore",
+        "coachPrefill": "Non ho ancora registrato l’umore. Perché conta monitorarlo e come dovrei iniziare?"
       },
       "medication": {
         "title": "Nessun farmaco configurato",
@@ -3826,7 +3837,8 @@
       "sleep": {
         "title": "Nessuna voce di sonno",
         "description": "Quando saranno disponibili dati sul sonno (manuale o tramite Withings / Apple Health), qui apparirà la suddivisione per fase.",
-        "cta": "Collega una fonte"
+        "cta": "Collega una fonte",
+        "coachPrefill": "Non ho ancora dati sul sonno. Perché conta monitorare il sonno e cosa dovrei sapere prima di collegare una fonte?"
       }
     },
     "navWorkouts": "Allenamenti",
@@ -3836,7 +3848,8 @@
       "description": "Corse, uscite in bici, camminate e sessioni di forza recenti, deduplicati tra Apple Watch e Withings.",
       "emptyState": {
         "title": "Nessun allenamento",
-        "description": "Gli allenamenti arrivano da Salute di Apple sull'iPhone e da Withings. Puoi anche registrarne uno a mano."
+        "description": "Gli allenamenti arrivano da Salute di Apple sull'iPhone e da Withings. Puoi anche registrarne uno a mano.",
+        "coachPrefill": "Non ho ancora registrato allenamenti. Perché conta monitorarli e su cosa dovrei concentrarmi per primo?"
       },
       "detail": {
         "backToList": "Torna agli allenamenti",
@@ -4716,7 +4729,8 @@
       "emptyState": {
         "title": "Nessun dato sulle cadute",
         "description": "Le cadute rilevate compaiono qui quando Apple Health si sincronizza. Nessuna caduta è l'obiettivo."
-      }
+      },
+      "coachPrefill": "Non ho ancora registrato dati sulle cadute. Cosa dice questo valore sulla mia salute e come riduco il rischio di cadute?"
     },
     "navFalls": "Cadute",
     "sixMinuteWalk": {
diff --git a/messages/ko.json b/messages/ko.json
index c62750df2..84a15bb40 100644
--- a/messages/ko.json
+++ b/messages/ko.json
@@ -3554,7 +3554,8 @@
       "emptyState": {
         "title": "아직 심박변이도 기록이 없어요",
         "description": "Apple Watch(또는 호환 Withings 기기)가 밤마다 측정값을 동기화하기 시작하면 심박변이도 기록이 여기에 쌓여요."
-      }
+      },
+      "coachPrefill": "아직 심박변이도 데이터를 기록한 적이 없어요. 심박변이도는 무엇을 알려주고, 어떻게 측정하나요?"
     },
     "restingHr": {
       "title": "안정 시 심박수",
@@ -3573,7 +3574,8 @@
       "emptyState": {
         "title": "아직 SpO₂ 기록이 없어요",
         "description": "호환 웨어러블(Apple Watch, Withings ScanWatch)이 측정하면 SpO₂ 기록이 여기에 쌓여요."
-      }
+      },
+      "coachPrefill": "아직 산소포화도를 기록한 적이 없어요. SpO₂는 무엇을 알려주고, 어느 범위를 목표로 해야 하나요?"
     },
     "bodyTemperature": {
       "title": "체온",
@@ -3583,7 +3585,8 @@
         "title": "아직 체온 기록이 없어요",
         "description": "체온을 기록하거나 웨어러블이 동기화하면 여기에 추이가 나타나요.",
         "cta": "체온 기록"
-      }
+      },
+      "coachPrefill": "아직 체온을 기록한 적이 없어요. 건강한 범위는 어느 정도이고, 벗어나면 어떻게 해야 하나요?"
     },
     "steps": {
       "title": "걸음 수",
@@ -3592,7 +3595,8 @@
       "emptyState": {
         "title": "아직 걸음 수 데이터가 없어요",
         "description": "Apple Health나 활동 기기가 하루치 움직임을 동기화하면 여기에 하루 걸음 수가 나타나요."
-      }
+      },
+      "coachPrefill": "아직 걸음 수를 기록한 적이 없어요. 적당한 하루 걸음 목표는 얼마이고, 더 많이 걸으면 건강에 어떻게 도움이 되나요?"
     },
     "activeEnergy": {
       "title": "활동 에너지",
@@ -3601,7 +3605,8 @@
       "emptyState": {
         "title": "아직 활동 에너지 데이터가 없어요",
         "description": "Apple Health나 Withings 활동 기기가 하루치 움직임을 동기화하면 여기에 활동 에너지 합계가 나타나요."
-      }
+      },
+      "coachPrefill": "아직 활동 에너지를 기록한 적이 없어요. 적당한 하루 목표는 얼마이고, 총 칼로리와는 어떻게 비교되나요?"
     },
     "subPage": {
       "loadError": "지금은 이 지표를 불러오지 못했어요.",
@@ -3696,7 +3701,8 @@
       "valuesBack": "인사이트로 돌아가기",
       "valuesBackToMetric": "돌아가기: {metric}",
       "scoresBack": "인사이트로 돌아가기",
-      "ecgDescription": "기기에서 기록한 단일 유도 ECG로, 각각 기기가 낸 결과가 함께 있어요."
+      "ecgDescription": "기기에서 기록한 단일 유도 ECG로, 각각 기기가 낸 결과가 함께 있어요.",
+      "emptyCoachPrefill": "{metric}: 아직 여기에 기록한 게 없어요. 이 지표는 내 건강에 대해 무엇을 알려주고, 어떻게 개선하나요?"
     },
     "units": {
       "steps": "걸음",
@@ -3796,27 +3802,32 @@
       "bloodPressure": {
         "title": "아직 혈압 기록이 없어요",
         "description": "혈압을 기록하면 추이 차트, 정상 범위 비율, WHO 분류가 여기에 나타나요.",
-        "cta": "혈압 기록"
+        "cta": "혈압 기록",
+        "coachPrefill": "아직 혈압을 기록한 적이 없어요. 혈압이 왜 중요하고, 시작하기 전에 무엇을 알아야 하나요?"
       },
       "weight": {
         "title": "아직 체중 기록이 없어요",
         "description": "체중을 기록하면 추이, 이동 평균, 목표 구간이 자동으로 나타나요.",
-        "cta": "체중 기록"
+        "cta": "체중 기록",
+        "coachPrefill": "아직 체중을 기록한 적이 없어요. 체중이 왜 중요하고, 기록을 시작하기 전에 무엇을 알아야 하나요?"
       },
       "pulse": {
         "title": "아직 맥박 기록이 없어요",
         "description": "맥박을 기록하면 안정 시 맥박, 심박변이도, VO₂ max가 이 화면에 나타나요.",
-        "cta": "맥박 기록"
+        "cta": "맥박 기록",
+        "coachPrefill": "아직 안정 시 맥박을 기록한 적이 없어요. 맥박이 왜 중요하고, 시작하기 전에 무엇을 알아야 하나요?"
       },
       "bmi": {
         "title": "아직 BMI를 계산하지 못했어요",
         "description": "키와 체중 기록이 하나 이상 있으면 WHO 구간과 함께 BMI 추이가 여기에 나타나요.",
-        "cta": "체중 기록"
+        "cta": "체중 기록",
+        "coachPrefill": "아직 체중을 기록한 적이 없어요. BMI가 내게 왜 중요하고, 기록을 시작하기 전에 무엇을 알아야 하나요?"
       },
       "mood": {
         "title": "아직 기분 기록이 없어요",
         "description": "기분을 기록하면 추이, 안정성 구간, 상관관계가 나타나요.",
-        "cta": "기분 기록"
+        "cta": "기분 기록",
+        "coachPrefill": "아직 기분을 기록한 적이 없어요. 기분 기록이 왜 중요하고, 어떻게 시작하면 좋을까요?"
       },
       "medication": {
         "title": "아직 등록한 약이 없어요",
@@ -3826,7 +3837,8 @@
       "sleep": {
         "title": "아직 수면 기록이 없어요",
         "description": "수면 데이터가 들어오면(직접 기록하거나 Withings / Apple Health를 통해) 밤별 단계 구성이 여기에 나타나요.",
-        "cta": "소스 연결"
+        "cta": "소스 연결",
+        "coachPrefill": "아직 수면 데이터가 없어요. 수면 기록이 왜 중요하고, 데이터 소스를 연결하기 전에 무엇을 알아야 하나요?"
       }
     },
     "navWorkouts": "운동",
@@ -3836,7 +3848,8 @@
       "description": "최근 달리기, 자전거, 걷기, 근력 운동 세션이에요. Apple Watch와 Withings 소스 사이 중복은 정리했어요.",
       "emptyState": {
         "title": "아직 운동 기록이 없어요",
-        "description": "운동은 iPhone의 Apple Health와 Withings에서 동기화돼요. 직접 기록할 수도 있어요."
+        "description": "운동은 iPhone의 Apple Health와 Withings에서 동기화돼요. 직접 기록할 수도 있어요.",
+        "coachPrefill": "아직 운동을 기록한 적이 없어요. 운동 기록이 왜 중요하고, 무엇부터 신경 써야 하나요?"
       },
       "detail": {
         "backToList": "운동으로 돌아가기",
@@ -4716,7 +4729,8 @@
       "emptyState": {
         "title": "아직 낙상 데이터가 없어요",
         "description": "Apple Health가 동기화하면 감지된 낙상이 여기에 표시돼요. 낙상이 없는 게 가장 좋아요."
-      }
+      },
+      "coachPrefill": "아직 낙상 데이터를 기록한 적이 없어요. 이 지표는 내 건강에 대해 무엇을 알려주고, 낙상 위험은 어떻게 줄이나요?"
     },
     "navFalls": "낙상",
     "sixMinuteWalk": {
diff --git a/messages/nl.json b/messages/nl.json
index da1aa2e27..feadb4d7a 100644
--- a/messages/nl.json
+++ b/messages/nl.json
@@ -3554,7 +3554,8 @@
       "emptyState": {
         "title": "Nog geen HRV-metingen",
         "description": "HRV-metingen verschijnen hier zodra Apple Watch (of een compatibel Withings-apparaat) nachtelijke metingen begint te synchroniseren."
-      }
+      },
+      "coachPrefill": "Ik heb nog geen HRV-gegevens vastgelegd. Wat zegt hartslagvariabiliteit me, en hoe leg ik die vast?"
     },
     "restingHr": {
       "title": "Rusthartslag",
@@ -3573,7 +3574,8 @@
       "emptyState": {
         "title": "Nog geen SpO₂-metingen",
         "description": "SpO₂-metingen verschijnen hier zodra een compatibele wearable (Apple Watch, Withings ScanWatch) een meting vastlegt."
-      }
+      },
+      "coachPrefill": "Ik heb nog geen zuurstofverzadiging vastgelegd. Wat zegt SpO₂ me, en naar welk bereik moet ik streven?"
     },
     "bodyTemperature": {
       "title": "Lichaamstemperatuur",
@@ -3583,7 +3585,8 @@
         "title": "Nog geen lichaamstemperatuur",
         "description": "Leg een temperatuurmeting vast of laat je wearable er een synchroniseren, dan verschijnt de trend hier.",
         "cta": "Lichaamstemperatuur vastleggen"
-      }
+      },
+      "coachPrefill": "Ik heb nog geen lichaamstemperatuur vastgelegd. Wat is het gezonde bereik, en wat moet ik doen als die afwijkt?"
     },
     "steps": {
       "title": "Stappen",
@@ -3592,7 +3595,8 @@
       "emptyState": {
         "title": "Nog geen stappengegevens",
         "description": "Dagtotalen van je stappen verschijnen hier zodra Apple Health of een activiteitsapparaat een volledige dag beweging synchroniseert."
-      }
+      },
+      "coachPrefill": "Ik heb nog geen stappen vastgelegd. Wat is een redelijk dagelijks stappendoel, en hoe helpt meer lopen mijn gezondheid?"
     },
     "activeEnergy": {
       "title": "Actieve energie",
@@ -3601,7 +3605,8 @@
       "emptyState": {
         "title": "Nog geen gegevens over actieve energie",
         "description": "Dagtotalen van actieve energie verschijnen hier zodra Apple Health of een Withings-activiteitsapparaat een volledige dag beweging synchroniseert."
-      }
+      },
+      "coachPrefill": "Ik heb nog geen actieve energie vastgelegd. Wat is een redelijk dagdoel, en hoe verhoudt het zich tot het totale aantal calorieën?"
     },
     "subPage": {
       "loadError": "Deze meetwaarde kan nu niet worden geladen.",
@@ -3696,7 +3701,8 @@
       "valuesBack": "Terug naar inzichten",
       "valuesBackToMetric": "Terug naar {metric}",
       "scoresBack": "Terug naar inzichten",
-      "ecgDescription": "Eenkanaals-ECG-opnamen van je apparaat, elk met de eigen uitslag van het apparaat."
+      "ecgDescription": "Eenkanaals-ECG-opnamen van je apparaat, elk met de eigen uitslag van het apparaat.",
+      "emptyCoachPrefill": "{metric}: ik heb hier nog niets vastgelegd. Wat zegt deze waarde over mijn gezondheid, en hoe verbeter ik die?"
     },
     "units": {
       "steps": "stappen",
@@ -3796,27 +3802,32 @@
       "bloodPressure": {
         "title": "Nog geen bloeddrukmetingen",
         "description": "Leg een bloeddrukmeting vast, dan verschijnen hier de trendgrafiek, het aandeel binnen het bereik en de WHO-classificatie.",
-        "cta": "Bloeddruk vastleggen"
+        "cta": "Bloeddruk vastleggen",
+        "coachPrefill": "Ik heb nog geen bloeddruk vastgelegd. Waarom is die belangrijk, en wat moet ik weten voordat ik begin?"
       },
       "weight": {
         "title": "Nog geen gewichtsmetingen",
         "description": "Leg je gewicht vast, dan verschijnen de trend, het voortschrijdend gemiddelde en de doelzone automatisch.",
-        "cta": "Gewicht vastleggen"
+        "cta": "Gewicht vastleggen",
+        "coachPrefill": "Ik heb nog geen gewicht vastgelegd. Waarom is dat belangrijk, en wat moet ik weten voordat ik het ga bijhouden?"
       },
       "pulse": {
         "title": "Nog geen hartslagmetingen",
         "description": "Leg een hartslagmeting vast, dan verschijnen rusthartslag, HRV en VO₂max in deze weergave.",
-        "cta": "Hartslag vastleggen"
+        "cta": "Hartslag vastleggen",
+        "coachPrefill": "Ik heb nog geen rustpols vastgelegd. Waarom is die belangrijk, en wat moet ik weten voordat ik begin?"
       },
       "bmi": {
         "title": "BMI nog niet berekend",
         "description": "Zodra je lengte en minstens één gewichtsmeting bekend zijn, verschijnt hier de BMI-trend met de WHO-zones.",
-        "cta": "Gewicht vastleggen"
+        "cta": "Gewicht vastleggen",
+        "coachPrefill": "Ik heb nog geen gewicht vastgelegd. Waarom is BMI belangrijk voor mij, en wat moet ik weten voordat ik het ga bijhouden?"
       },
       "mood": {
         "title": "Nog geen stemmingsregistraties",
         "description": "Leg je stemming vast, dan verschijnen de trend, de stabiliteitszone en de correlaties.",
-        "cta": "Stemming vastleggen"
+        "cta": "Stemming vastleggen",
+        "coachPrefill": "Ik heb nog geen stemming vastgelegd. Waarom is stemming bijhouden belangrijk, en hoe begin ik?"
       },
       "medication": {
         "title": "Nog geen medicatie ingesteld",
@@ -3826,7 +3837,8 @@
       "sleep": {
         "title": "Nog geen slaapregistraties",
         "description": "Zodra er slaapgegevens binnenkomen (handmatig of via Withings / Apple Health), verschijnt hier de verdeling over slaapfasen per nacht.",
-        "cta": "Bron koppelen"
+        "cta": "Bron koppelen",
+        "coachPrefill": "Ik heb nog geen slaapgegevens. Waarom is slaap bijhouden belangrijk, en wat moet ik weten voordat ik een bron koppel?"
       }
     },
     "navWorkouts": "Workouts",
@@ -3836,7 +3848,8 @@
       "description": "Recente hardloop-, fiets-, wandel- en krachttrainingen, ontdubbeld over bronnen van Apple Watch en Withings.",
       "emptyState": {
         "title": "Nog geen workouts",
-        "description": "Workouts worden gesynchroniseerd vanuit Apple Health op je iPhone en vanuit Withings. Je kunt er ook zelf een vastleggen."
+        "description": "Workouts worden gesynchroniseerd vanuit Apple Health op je iPhone en vanuit Withings. Je kunt er ook zelf een vastleggen.",
+        "coachPrefill": "Ik heb nog geen workouts vastgelegd. Waarom is bijhouden belangrijk, en waar moet ik me eerst op richten?"
       },
       "detail": {
         "backToList": "Terug naar workouts",
@@ -4716,7 +4729,8 @@
       "emptyState": {
         "title": "Nog geen valgegevens",
         "description": "Gedetecteerde valpartijen verschijnen hier zodra Apple Health synchroniseert. Geen valpartijen is het doel."
-      }
+      },
+      "coachPrefill": "Ik heb nog geen valgegevens vastgelegd. Wat zegt deze waarde over mijn gezondheid, en hoe verklein ik mijn valrisico?"
     },
     "navFalls": "Valpartijen",
     "sixMinuteWalk": {
diff --git a/messages/pl.json b/messages/pl.json
index 854b541fe..a2bb28063 100644
--- a/messages/pl.json
+++ b/messages/pl.json
@@ -3554,7 +3554,8 @@
       "emptyState": {
         "title": "Brak wartości HRV",
         "description": "Wartości HRV pojawią się tutaj, gdy Apple Watch (lub zgodne urządzenie Withings) zsynchronizuje pomiary nocne."
-      }
+      },
+      "coachPrefill": "Nie zapisałem jeszcze danych HRV. Co mówi mi zmienność rytmu serca i jak ją rejestrować?"
     },
     "restingHr": {
       "title": "Tętno spoczynkowe",
@@ -3573,7 +3574,8 @@
       "emptyState": {
         "title": "Brak próbek SpO₂",
         "description": "Próbki SpO₂ trafią tutaj, gdy zgodne wearable (Apple Watch, Withings ScanWatch) wykona pomiar."
-      }
+      },
+      "coachPrefill": "Nie zapisałem jeszcze saturacji tlenu. Co mówi mi SpO₂ i do jakiego zakresu powinienem dążyć?"
     },
     "bodyTemperature": {
       "title": "Temperatura ciała",
@@ -3583,7 +3585,8 @@
         "title": "Brak temperatury ciała",
         "description": "Zarejestruj pomiar lub pozwól wearable zsynchronizować jeden, a trend pojawi się tutaj.",
         "cta": "Zarejestruj temperaturę ciała"
-      }
+      },
+      "coachPrefill": "Nie zapisałem jeszcze temperatury ciała. Jaki zakres jest prawidłowy i co powinienem zrobić, gdy od niego odbiega?"
     },
     "steps": {
       "title": "Kroki",
@@ -3592,7 +3595,8 @@
       "emptyState": {
         "title": "Brak danych o krokach",
         "description": "Dzienne sumy kroków pojawią się tutaj, gdy Apple Zdrowie lub urządzenie aktywności zsynchronizuje pełny dzień."
-      }
+      },
+      "coachPrefill": "Nie zapisałem jeszcze kroków. Jaki dzienny cel kroków jest rozsądny i jak więcej chodzenia pomaga mojemu zdrowiu?"
     },
     "activeEnergy": {
       "title": "Energia czynna",
@@ -3601,7 +3605,8 @@
       "emptyState": {
         "title": "Brak danych o energii czynnej",
         "description": "Sumy energii czynnej pojawią się tutaj, gdy Apple Zdrowie lub urządzenie Withings zsynchronizuje pełny dzień."
-      }
+      },
+      "coachPrefill": "Nie zapisałem jeszcze energii czynnej. Jaki dzienny cel jest rozsądny i jak ma się on do łącznej liczby kalorii?"
     },
     "subPage": {
       "loadError": "Nie udało się teraz wczytać tej metryki.",
@@ -3696,7 +3701,8 @@
       "valuesBack": "Powrót do Insights",
       "valuesBackToMetric": "Powrót do {metric}",
       "scoresBack": "Powrót do Insights",
-      "ecgDescription": "Zapisy EKG jednoodprowadzeniowe z Twojego urządzenia, każdy z wynikiem samego urządzenia."
+      "ecgDescription": "Zapisy EKG jednoodprowadzeniowe z Twojego urządzenia, każdy z wynikiem samego urządzenia.",
+      "emptyCoachPrefill": "{metric}: nie zapisałem tu jeszcze niczego. Co ten wskaźnik mówi o moim zdrowiu i jak mogę go poprawić?"
     },
     "units": {
       "steps": "kroki",
@@ -3796,27 +3802,32 @@
       "bloodPressure": {
         "title": "Brak pomiarów ciśnienia krwi",
         "description": "Zarejestruj pomiar ciśnienia, a pojawi się tu trend, udział w zakresie docelowym i klasyfikacja WHO.",
-        "cta": "Zarejestruj ciśnienie"
+        "cta": "Zarejestruj ciśnienie",
+        "coachPrefill": "Nie zapisałem jeszcze ciśnienia krwi. Dlaczego ma ono znaczenie i co powinienem wiedzieć, zanim zacznę?"
       },
       "weight": {
         "title": "Brak pomiarów wagi",
         "description": "Zarejestruj wagę, a trend, średnia krocząca i zakres docelowy pojawią się automatycznie.",
-        "cta": "Zarejestruj wagę"
+        "cta": "Zarejestruj wagę",
+        "coachPrefill": "Nie zapisałem jeszcze masy ciała. Dlaczego ma ona znaczenie i co powinienem wiedzieć, zanim zacznę ją śledzić?"
       },
       "pulse": {
         "title": "Brak pomiarów tętna",
         "description": "Zarejestruj tętno, a w tym widoku pojawi się tętno spoczynkowe, HRV i VO₂ max.",
-        "cta": "Zarejestruj tętno"
+        "cta": "Zarejestruj tętno",
+        "coachPrefill": "Nie zapisałem jeszcze tętna spoczynkowego. Dlaczego ma ono znaczenie i co powinienem wiedzieć, zanim zacznę?"
       },
       "bmi": {
         "title": "BMI jeszcze nie obliczone",
         "description": "Po wpisaniu wzrostu i co najmniej jednej wagi pojawi się tu trend BMI z zakresami WHO.",
-        "cta": "Zarejestruj wagę"
+        "cta": "Zarejestruj wagę",
+        "coachPrefill": "Nie zapisałem jeszcze masy ciała. Dlaczego BMI ma dla mnie znaczenie i co powinienem wiedzieć, zanim zacznę je śledzić?"
       },
       "mood": {
         "title": "Brak wpisów nastroju",
         "description": "Zarejestruj nastrój, a pojawi się trend, pasmo stabilności i korelacje.",
-        "cta": "Zarejestruj nastrój"
+        "cta": "Zarejestruj nastrój",
+        "coachPrefill": "Nie zapisałem jeszcze nastroju. Dlaczego warto go śledzić i jak powinienem zacząć?"
       },
       "medication": {
         "title": "Brak skonfigurowanych leków",
@@ -3826,7 +3837,8 @@
       "sleep": {
         "title": "Brak danych o śnie",
         "description": "Gdy pojawią się dane o śnie (ręcznie lub przez Withings / Apple Health), wyświetli się tu rozkład faz na noc.",
-        "cta": "Połącz źródło"
+        "cta": "Połącz źródło",
+        "coachPrefill": "Nie mam jeszcze danych o śnie. Dlaczego warto śledzić sen i co powinienem wiedzieć, zanim podłączę źródło?"
       }
     },
     "navWorkouts": "Treningi",
@@ -3836,7 +3848,8 @@
       "description": "Ostatnie biegi, jazdy, marsze i treningi siłowe, zdeduplikowane między Apple Watch a Withings.",
       "emptyState": {
         "title": "Brak treningów",
-        "description": "Treningi trafiają tu z Apple Zdrowie na iPhonie i z Withings. Możesz też wpisać trening ręcznie."
+        "description": "Treningi trafiają tu z Apple Zdrowie na iPhonie i z Withings. Możesz też wpisać trening ręcznie.",
+        "coachPrefill": "Nie zapisałem jeszcze treningów. Dlaczego warto je śledzić i na czym powinienem się najpierw skupić?"
       },
       "detail": {
         "backToList": "Powrót do treningów",
@@ -4716,7 +4729,8 @@
       "emptyState": {
         "title": "Brak danych o upadkach",
         "description": "Wykryte upadki pojawią się tutaj, gdy Apple Health się zsynchronizuje. Celem jest brak upadków."
-      }
+      },
+      "coachPrefill": "Nie zapisałem jeszcze danych o upadkach. Co ten wskaźnik mówi o moim zdrowiu i jak mogę zmniejszyć ryzyko upadku?"
     },
     "navFalls": "Upadki",
     "sixMinuteWalk": {
diff --git a/messages/pt-BR.json b/messages/pt-BR.json
index bf5265f6e..412d3efb4 100644
--- a/messages/pt-BR.json
+++ b/messages/pt-BR.json
@@ -3554,7 +3554,8 @@
       "emptyState": {
         "title": "Ainda não há amostras de VFC",
         "description": "As amostras de VFC chegam aqui assim que o Apple Watch (ou um dispositivo Withings compatível) começa a sincronizar leituras noturnas."
-      }
+      },
+      "coachPrefill": "Ainda não registrei dados de VFC. O que a variabilidade da frequência cardíaca me diz, e como eu a registro?"
     },
     "restingHr": {
       "title": "Frequência cardíaca em repouso",
@@ -3573,7 +3574,8 @@
       "emptyState": {
         "title": "Ainda não há amostras de SpO₂",
         "description": "As amostras de SpO₂ chegam aqui assim que um wearable compatível (Apple Watch, Withings ScanWatch) captura uma leitura."
-      }
+      },
+      "coachPrefill": "Ainda não registrei saturação de oxigênio. O que a SpO₂ me diz, e qual faixa devo buscar?"
     },
     "bodyTemperature": {
       "title": "Temperatura corporal",
@@ -3583,7 +3585,8 @@
         "title": "Ainda não há temperatura corporal",
         "description": "Registre uma leitura de temperatura corporal ou deixe seu wearable sincronizar uma, e a tendência aparecerá aqui.",
         "cta": "Registrar temperatura corporal"
-      }
+      },
+      "coachPrefill": "Ainda não registrei temperatura corporal. Qual é a faixa saudável, e o que devo fazer se ela se desviar?"
     },
     "steps": {
       "title": "Passos",
@@ -3592,7 +3595,8 @@
       "emptyState": {
         "title": "Ainda não há dados de passos",
         "description": "Os totais diários de passos aparecem aqui assim que o Apple Health ou um dispositivo de atividade sincroniza um dia de movimento."
-      }
+      },
+      "coachPrefill": "Ainda não registrei passos. Qual é uma meta diária de passos razoável, e como caminhar mais ajuda minha saúde?"
     },
     "activeEnergy": {
       "title": "Energia ativa",
@@ -3601,7 +3605,8 @@
       "emptyState": {
         "title": "Ainda não há dados de energia ativa",
         "description": "Os totais de energia ativa chegam aqui assim que o Apple Health ou um dispositivo de atividade Withings sincroniza um dia de movimento."
-      }
+      },
+      "coachPrefill": "Ainda não registrei energia ativa. Qual é uma meta diária razoável, e como ela se compara ao total de calorias?"
     },
     "subPage": {
       "loadError": "Não foi possível carregar esta métrica agora.",
@@ -3696,7 +3701,8 @@
       "valuesBack": "Voltar aos insights",
       "valuesBackToMetric": "Voltar para {metric}",
       "scoresBack": "Voltar aos insights",
-      "ecgDescription": "Registros de ECG de uma derivação do seu dispositivo, cada um com o resultado do próprio dispositivo."
+      "ecgDescription": "Registros de ECG de uma derivação do seu dispositivo, cada um com o resultado do próprio dispositivo.",
+      "emptyCoachPrefill": "{metric}: ainda não registrei nada aqui. O que essa métrica me diz sobre minha saúde, e como eu a melhoro?"
     },
     "units": {
       "steps": "passos",
@@ -3796,27 +3802,32 @@
       "bloodPressure": {
         "title": "Ainda não há registros de pressão arterial",
         "description": "Registre uma leitura de pressão arterial e o gráfico de tendência, a parcela dentro da faixa e a classificação da OMS aparecerão aqui.",
-        "cta": "Registrar pressão arterial"
+        "cta": "Registrar pressão arterial",
+        "coachPrefill": "Ainda não registrei a pressão arterial. Por que ela importa, e o que devo saber antes de começar?"
       },
       "weight": {
         "title": "Ainda não há registros de peso",
         "description": "Registre um peso e a tendência, a média móvel e a faixa-alvo aparecerão automaticamente.",
-        "cta": "Registrar peso"
+        "cta": "Registrar peso",
+        "coachPrefill": "Ainda não registrei meu peso. Por que ele importa, e o que devo saber antes de começar a acompanhá-lo?"
       },
       "pulse": {
         "title": "Ainda não há registros de pulso",
         "description": "Registre uma leitura de pulso e o pulso em repouso, a VFC e o VO₂ máx aparecerão nesta visão.",
-        "cta": "Registrar pulso"
+        "cta": "Registrar pulso",
+        "coachPrefill": "Ainda não registrei o pulso em repouso. Por que ele importa, e o que devo saber antes de começar?"
       },
       "bmi": {
         "title": "IMC ainda não calculado",
         "description": "Assim que a altura e pelo menos um registro de peso estiverem presentes, a tendência do IMC com as zonas da OMS aparecerá aqui.",
-        "cta": "Registrar peso"
+        "cta": "Registrar peso",
+        "coachPrefill": "Ainda não registrei meu peso. Por que o IMC importa para mim, e o que devo saber antes de começar a acompanhá-lo?"
       },
       "mood": {
         "title": "Ainda não há registros de humor",
         "description": "Registre uma entrada de humor e a tendência, a faixa de estabilidade e as correlações aparecerão.",
-        "cta": "Registrar humor"
+        "cta": "Registrar humor",
+        "coachPrefill": "Ainda não registrei meu humor. Por que acompanhar o humor importa, e como devo começar?"
       },
       "medication": {
         "title": "Ainda não há medicamentos configurados",
@@ -3826,7 +3837,8 @@
       "sleep": {
         "title": "Ainda não há registros de sono",
         "description": "Assim que os dados de sono chegarem (manual ou via Withings / Apple Health), a divisão por estágio por noite aparecerá aqui.",
-        "cta": "Conectar uma fonte"
+        "cta": "Conectar uma fonte",
+        "coachPrefill": "Ainda não tenho dados de sono. Por que acompanhar o sono importa, e o que devo saber antes de conectar uma fonte?"
       }
     },
     "navWorkouts": "Treinos",
@@ -3836,7 +3848,8 @@
       "description": "Corridas, pedaladas, caminhadas e sessões de força recentes, deduplicadas entre as fontes Apple Watch e Withings.",
       "emptyState": {
         "title": "Ainda não há treinos",
-        "description": "Os treinos sincronizam do Apple Health no seu iPhone e da Withings. Você também pode registrar um manualmente."
+        "description": "Os treinos sincronizam do Apple Health no seu iPhone e da Withings. Você também pode registrar um manualmente.",
+        "coachPrefill": "Ainda não registrei treinos. Por que acompanhá-los importa, e no que devo focar primeiro?"
       },
       "detail": {
         "backToList": "Voltar aos treinos",
@@ -4716,7 +4729,8 @@
       "emptyState": {
         "title": "Ainda não há dados de quedas",
         "description": "As quedas detectadas aparecem aqui assim que o Apple Health sincroniza. Nenhuma queda é a meta."
-      }
+      },
+      "coachPrefill": "Ainda não registrei dados de quedas. O que essa métrica me diz sobre minha saúde, e como reduzo meu risco de queda?"
     },
     "navFalls": "Quedas",
     "sixMinuteWalk": {
diff --git a/messages/ru.json b/messages/ru.json
index d207f54f6..9db3347b8 100644
--- a/messages/ru.json
+++ b/messages/ru.json
@@ -3554,7 +3554,8 @@
       "emptyState": {
         "title": "Пока нет данных HRV",
         "description": "Данные HRV появятся здесь, как только Apple Watch (или совместимое устройство Withings) начнёт синхронизировать ночные измерения."
-      }
+      },
+      "coachPrefill": "Я ещё не записывал данные HRV. Что говорит вариабельность сердечного ритма и как её измерять?"
     },
     "restingHr": {
       "title": "ЧСС в покое",
@@ -3573,7 +3574,8 @@
       "emptyState": {
         "title": "Пока нет данных SpO₂",
         "description": "Данные SpO₂ появятся здесь, как только совместимое носимое устройство (Apple Watch, Withings ScanWatch) сделает измерение."
-      }
+      },
+      "coachPrefill": "Я ещё не записывал насыщение кислородом. Что говорит SpO₂ и к какому диапазону стоит стремиться?"
     },
     "bodyTemperature": {
       "title": "Температура тела",
@@ -3583,7 +3585,8 @@
         "title": "Пока нет температуры тела",
         "description": "Запишите температуру тела или дайте носимо­му устройству синхронизировать её, и динамика появится здесь.",
         "cta": "Записать температуру тела"
-      }
+      },
+      "coachPrefill": "Я ещё не записывал температуру тела. Какой диапазон считается нормальным и что делать, если она отклоняется?"
     },
     "steps": {
       "title": "Шаги",
@@ -3592,7 +3595,8 @@
       "emptyState": {
         "title": "Пока нет данных о шагах",
         "description": "Ежедневные итоги шагов появятся здесь, как только Apple Health или устройство активности синхронизирует день движения."
-      }
+      },
+      "coachPrefill": "Я ещё не записывал шаги. Какая дневная цель по шагам разумна и как больше ходьбы помогает здоровью?"
     },
     "activeEnergy": {
       "title": "Активная энергия",
@@ -3601,7 +3605,8 @@
       "emptyState": {
         "title": "Пока нет данных об активной энергии",
         "description": "Итоги активной энергии появятся здесь, как только Apple Health или устройство активности Withings синхронизирует день движения."
-      }
+      },
+      "coachPrefill": "Я ещё не записывал активную энергию. Какая дневная цель разумна и как она соотносится с общим расходом калорий?"
     },
     "subPage": {
       "loadError": "Не удалось загрузить этот показатель прямо сейчас.",
@@ -3696,7 +3701,8 @@
       "valuesBack": "Назад к аналитике",
       "valuesBackToMetric": "Назад к {metric}",
       "scoresBack": "Назад к аналитике",
-      "ecgDescription": "Записи ЭКГ с одним отведением с вашего устройства, каждая с собственным результатом устройства."
+      "ecgDescription": "Записи ЭКГ с одним отведением с вашего устройства, каждая с собственным результатом устройства.",
+      "emptyCoachPrefill": "{metric}: я ещё ничего здесь не записывал. Что этот показатель говорит о моём здоровье и как его улучшить?"
     },
     "units": {
       "steps": "шаги",
@@ -3796,27 +3802,32 @@
       "bloodPressure": {
         "title": "Пока нет записей АД",
         "description": "Запишите измерение АД, и здесь появятся график динамики, доля значений в диапазоне и классификация ВОЗ.",
-        "cta": "Записать АД"
+        "cta": "Записать АД",
+        "coachPrefill": "Я ещё не записывал давление. Почему оно важно и что нужно знать, прежде чем начать?"
       },
       "weight": {
         "title": "Пока нет записей веса",
         "description": "Запишите вес, и динамика, скользящее среднее и целевой диапазон появятся автоматически.",
-        "cta": "Записать вес"
+        "cta": "Записать вес",
+        "coachPrefill": "Я ещё не записывал вес. Почему он важен и что нужно знать, прежде чем начать его отслеживать?"
       },
       "pulse": {
         "title": "Пока нет записей пульса",
         "description": "Запишите измерение пульса, и в этом виде появятся пульс в покое, HRV и VO₂ max.",
-        "cta": "Записать пульс"
+        "cta": "Записать пульс",
+        "coachPrefill": "Я ещё не записывал пульс в покое. Почему он важен и что нужно знать, прежде чем начать?"
       },
       "bmi": {
         "title": "ИМТ ещё не рассчитан",
         "description": "Как только появятся рост и хотя бы одна запись веса, здесь появится динамика ИМТ с зонами ВОЗ.",
-        "cta": "Записать вес"
+        "cta": "Записать вес",
+        "coachPrefill": "Я ещё не записывал вес. Почему ИМТ важен для меня и что нужно знать, прежде чем начать его отслеживать?"
       },
       "mood": {
         "title": "Пока нет записей настроения",
         "description": "Запишите настроение, и появятся динамика, диапазон стабильности и корреляции.",
-        "cta": "Записать настроение"
+        "cta": "Записать настроение",
+        "coachPrefill": "Я ещё не записывал настроение. Почему важно его отслеживать и с чего начать?"
       },
       "medication": {
         "title": "Пока не настроено ни одного лекарства",
@@ -3826,7 +3837,8 @@
       "sleep": {
         "title": "Пока нет записей сна",
         "description": "Как только появятся данные о сне (вручную или через Withings / Apple Health), здесь появится разбивка по фазам за каждую ночь.",
-        "cta": "Подключить источник"
+        "cta": "Подключить источник",
+        "coachPrefill": "У меня ещё нет данных о сне. Почему важно отслеживать сон и что нужно знать, прежде чем подключить источник?"
       }
     },
     "navWorkouts": "Тренировки",
@@ -3836,7 +3848,8 @@
       "description": "Недавние пробежки, поездки на велосипеде, прогулки и силовые занятия, без дублей между источниками Apple Watch и Withings.",
       "emptyState": {
         "title": "Пока нет тренировок",
-        "description": "Тренировки синхронизируются из Apple Health на вашем iPhone и из Withings. Вы также можете записать одну вручную."
+        "description": "Тренировки синхронизируются из Apple Health на вашем iPhone и из Withings. Вы также можете записать одну вручную.",
+        "coachPrefill": "Я ещё не записывал тренировки. Почему важно их отслеживать и на чём сосредоточиться в первую очередь?"
       },
       "detail": {
         "backToList": "Назад к тренировкам",
@@ -4716,7 +4729,8 @@
       "emptyState": {
         "title": "Пока нет данных о падениях",
         "description": "Обнаруженные падения появятся здесь, когда Apple Health синхронизирует их. Цель — ноль падений."
-      }
+      },
+      "coachPrefill": "Я ещё не записывал данные о падениях. Что этот показатель говорит о моём здоровье и как снизить риск падений?"
     },
     "navFalls": "Падения",
     "sixMinuteWalk": {
diff --git a/src/__tests__/baselines/source-file-lines.json b/src/__tests__/baselines/source-file-lines.json
index e49138989..73a08bc66 100644
--- a/src/__tests__/baselines/source-file-lines.json
+++ b/src/__tests__/baselines/source-file-lines.json
@@ -1,7 +1,7 @@
 {
   "$comment": "Production files over 800 lines and their length. Maintained by src/__tests__/source-size-ratchet.test.ts.",
   "count": 84,
-  "total": 93833,
+  "total": 93830,
   "entries": {
     "app/medications/page-client.tsx": 839,
     "components/charts/mood-chart.tsx": 1166,
@@ -11,7 +11,7 @@
     "components/insights/coach-panel/use-coach.ts": 1486,
     "components/insights/derived/vitals-dashboard.tsx": 1033,
     "components/insights/health-score-card.tsx": 1023,
-    "components/insights/insights-tab-strip.tsx": 1087,
+    "components/insights/insights-tab-strip.tsx": 1084,
     "components/measurements/measurement-form.tsx": 815,
     "components/medications/detail/medication-detail-tabs.tsx": 1157,
     "components/medications/medication-table.tsx": 853,
diff --git a/src/__tests__/baselines/source-function-lines.json b/src/__tests__/baselines/source-function-lines.json
index 9b18f7b04..598e55bff 100644
--- a/src/__tests__/baselines/source-function-lines.json
+++ b/src/__tests__/baselines/source-function-lines.json
@@ -1,7 +1,7 @@
 {
   "$comment": "Production functions over 200 lines, keyed \"file :: name\", and their length. Maintained by src/__tests__/source-size-ratchet.test.ts.",
   "count": 336,
-  "total": 109345,
+  "total": 109328,
   "entries": {
     "app/achievements/page.tsx :: AchievementsPage": 206,
     "app/api/admin/backups/upload/route.ts :: apiHandler(arg)": 275,
@@ -27,7 +27,7 @@
     "app/api/mcp/oauth/token/route.ts :: POST": 250,
     "app/api/mcp/oauth/token/route.ts :: POST > withBackgroundEvent(arg)": 248,
     "app/api/measurement-reminders/[id]/route.ts :: apiHandler(arg) #2": 239,
-    "app/api/medications/[id]/dose-history/route.ts :: apiHandler(arg)": 256,
+    "app/api/medications/[id]/dose-history/route.ts :: apiHandler(arg)": 241,
     "app/api/medications/[id]/inventory/[itemId]/route.ts :: apiHandler(arg)": 204,
     "app/api/medications/[id]/schedule-revisions/[revisionId]/route.ts :: apiHandler(arg)": 250,
     "app/api/mental-health/assessments/route.ts :: postAssessment": 249,
@@ -80,7 +80,7 @@
     "components/cycle/bbt-chart.tsx :: BbtChart": 244,
     "components/cycle/cycle-calendar.tsx :: CycleCalendar": 292,
     "components/cycle/cycle-settings.tsx :: CycleSettings": 228,
-    "components/cycle/cycle-view.tsx :: CycleView": 405,
+    "components/cycle/cycle-view.tsx :: CycleView": 403,
     "components/cycle/log-day-sheet.tsx :: LogDaySheet": 753,
     "components/daily/today-hero.tsx :: TodayHero": 488,
     "components/dashboard/dashboard-header.tsx :: DashboardHeader": 215,
diff --git a/src/app/api/insights/health-status/__tests__/route.test.ts b/src/app/api/insights/health-status/__tests__/route.test.ts
new file mode 100644
index 000000000..4f2b428e1
--- /dev/null
+++ b/src/app/api/insights/health-status/__tests__/route.test.ts
@@ -0,0 +1,113 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+/**
+ * The health status card reads two engines that walk every vital over up to
+ * 180 days. The answer is kept in the record's analytics cell: a second open
+ * of Insights serves it, and a write that sweeps the record's cells, or a
+ * module switch, computes it again.
+ */
+
+const computeCoincidentDeviation = vi.fn();
+const buildExtendedChangepointSignals = vi.fn();
+const resolveModuleMap = vi.fn();
+
+vi.mock("@/lib/insights/derived/coincident-deviation", () => ({
+  computeCoincidentDeviation: (...args: unknown[]) =>
+    computeCoincidentDeviation(...args),
+}));
+vi.mock("@/lib/insights/derived/changepoint", () => ({
+  buildExtendedChangepointSignals: (...args: unknown[]) =>
+    buildExtendedChangepointSignals(...args),
+}));
+vi.mock("@/lib/insights/derived", () => ({
+  loadBaselineProfile: vi.fn().mockResolvedValue({ ageYears: 40 }),
+}));
+vi.mock("@/lib/db", () => ({
+  prisma: {
+    auditLog: { create: vi.fn() },
+    appSettings: { findUnique: vi.fn().mockResolvedValue(null) },
+  },
+}));
+vi.mock("@/lib/auth/session", () => ({ getSession: vi.fn() }));
+vi.mock("@/lib/auth/audit", () => ({
+  auditLog: vi.fn().mockResolvedValue(undefined),
+}));
+vi.mock("@/lib/modules/gate", async (importOriginal) => ({
+  ...(await importOriginal<typeof import("@/lib/modules/gate")>()),
+  resolveModuleMap: (userId: string) => resolveModuleMap(userId),
+}));
+vi.mock("@/lib/rate-limit", () => ({
+  checkAnalyticsReadRateLimit: vi.fn(),
+}));
+vi.mock("@/lib/logging/transports", () => ({ emitIfSampled: vi.fn() }));
+vi.mock("next/headers", () => ({
+  headers: vi.fn(async () => ({ get: () => null })),
+  cookies: vi.fn(async () => ({
+    get: () => undefined,
+    set: () => {},
+    delete: () => {},
+  })),
+}));
+
+import { GET } from "../route";
+import { getSession } from "@/lib/auth/session";
+import { checkAnalyticsReadRateLimit } from "@/lib/rate-limit";
+import { __resetAllCachesForTests } from "@/lib/cache/server-cache";
+import { invalidateUserMeasurements } from "@/lib/cache/invalidate";
+
+const call = () => GET();
+
+beforeEach(() => {
+  __resetAllCachesForTests();
+  vi.mocked(getSession).mockResolvedValue({
+    session: { id: "sess-1", expiresAt: new Date(Date.now() + 3_600_000) },
+    user: {
+      id: "user-1",
+      username: "testuser",
+      role: "USER",
+      timezone: "Europe/Berlin",
+    },
+  } as unknown as Awaited<ReturnType<typeof getSession>>);
+  vi.mocked(checkAnalyticsReadRateLimit).mockResolvedValue({
+    allowed: true,
+  } as unknown as Awaited<ReturnType<typeof checkAnalyticsReadRateLimit>>);
+  computeCoincidentDeviation
+    .mockReset()
+    .mockResolvedValue({ status: "insufficient" });
+  buildExtendedChangepointSignals.mockReset().mockResolvedValue([]);
+  resolveModuleMap.mockReset().mockResolvedValue({});
+});
+
+describe("GET /api/insights/health-status — the cached answer", () => {
+  it("computes once for two opens", async () => {
+    const first = await call();
+    const second = await call();
+
+    expect(first.status).toBe(200);
+    expect(second.status).toBe(200);
+    expect(computeCoincidentDeviation).toHaveBeenCalledTimes(1);
+    expect(buildExtendedChangepointSignals).toHaveBeenCalledTimes(1);
+    expect((await second.json()).data).toEqual((await first.json()).data);
+  });
+
+  it("computes again after a measurement write", async () => {
+    await call();
+    invalidateUserMeasurements("user-1", { evict: true });
+    await call();
+
+    expect(computeCoincidentDeviation).toHaveBeenCalledTimes(2);
+  });
+
+  it("computes again when a module is switched off", async () => {
+    await call();
+    resolveModuleMap.mockResolvedValue({ sleep: false });
+    await call();
+
+    expect(buildExtendedChangepointSignals).toHaveBeenCalledTimes(2);
+    expect(buildExtendedChangepointSignals).toHaveBeenLastCalledWith(
+      "user-1",
+      expect.any(Date),
+      { sleep: false },
+    );
+  });
+});
diff --git a/src/app/api/insights/health-status/route.ts b/src/app/api/insights/health-status/route.ts
index 601c472ee..9c96fb33c 100644
--- a/src/app/api/insights/health-status/route.ts
+++ b/src/app/api/insights/health-status/route.ts
@@ -24,8 +24,10 @@ import { prisma } from "@/lib/db";
 import { loadBaselineProfile } from "@/lib/insights/derived";
 import { computeCoincidentDeviation } from "@/lib/insights/derived/coincident-deviation";
 import { buildExtendedChangepointSignals } from "@/lib/insights/derived/changepoint";
-import { resolveModuleMap } from "@/lib/modules/gate";
+import { MODULE_KEYS, resolveModuleMap } from "@/lib/modules/gate";
 import { summariseHealthStatus } from "@/lib/insights/health-status";
+import { cachedSwr, caches, type ServerCache } from "@/lib/cache/server-cache";
+import { DEFAULT_TIMEZONE, userDayKey } from "@/lib/tz/format";
 
 export const dynamic = "force-dynamic";
 
@@ -39,36 +41,56 @@ export const GET = apiHandler(async () => {
     return apiError("Too many analytics requests. Please retry later.", 429);
   }
 
+  // Both engines walk every vital over up to 180 days, so the answer goes
+  // through the analytics cell its sibling reads use. Measurement and mood
+  // writes sweep the record's cells; the reader's day and the switched-off
+  // modules are part of the key, so a new day or a module switch never serves
+  // the other answer.
+  const modules = await resolveModuleMap(user.id);
+  const modulesOff = MODULE_KEYS.filter((key) => modules[key] === false);
   const now = new Date();
-  const profile = await loadBaselineProfile(prisma, user.id);
-
-  const coincident = await computeCoincidentDeviation(user.id, profile, {
-    tz: user.timezone,
-    now,
-  });
-  // v1.44 — the wider scan: every vital with a stable daily level over 180
-  // days, a metric whose module is off left unread.
-  const shifts = await buildExtendedChangepointSignals(
-    user.id,
-    now,
-    await resolveModuleMap(user.id),
+  const day = userDayKey(now, user.timezone ?? DEFAULT_TIMEZONE);
+  const body = await cachedSwr(
+    caches.analytics as ServerCache<HealthStatusBody>,
+    `${user.id}|health-status|${day}|off:${modulesOff.join(",")}`,
+    () => buildHealthStatus(user.id, user.timezone, now, modules),
+    annotate,
   );
 
-  const vitals = coincident.status === "ok" ? coincident.value.vitals : [];
-  const summary = summariseHealthStatus(vitals, shifts);
-
   annotate({
     action: { name: "insights.health-status.read" },
     meta: {
-      deviations: summary.deviations.length,
-      shifts: summary.shifts.length,
+      deviations: body.deviations.length,
+      shifts: body.shifts.length,
     },
   });
 
-  return apiSuccess({
+  return apiSuccess(body);
+});
+
+type HealthStatusBody = Awaited<ReturnType<typeof buildHealthStatus>>;
+
+async function buildHealthStatus(
+  userId: string,
+  timezone: string | undefined,
+  now: Date,
+  modules: Awaited<ReturnType<typeof resolveModuleMap>>,
+) {
+  const profile = await loadBaselineProfile(prisma, userId);
+  const coincident = await computeCoincidentDeviation(userId, profile, {
+    tz: timezone,
+    now,
+  });
+  // v1.44 — the wider scan: every vital with a stable daily level over 180
+  // days, a metric whose module is off left unread.
+  const shifts = await buildExtendedChangepointSignals(userId, now, modules);
+
+  const vitals = coincident.status === "ok" ? coincident.value.vitals : [];
+  const summary = summariseHealthStatus(vitals, shifts);
+  return {
     present: summary.present,
     deviations: summary.deviations,
     shifts: summary.shifts,
     generatedAt: now.toISOString(),
-  });
-});
+  };
+}
diff --git a/src/app/api/medications/[id]/dose-history/__tests__/route.test.ts b/src/app/api/medications/[id]/dose-history/__tests__/route.test.ts
index 5c55e140a..8edbfb47d 100644
--- a/src/app/api/medications/[id]/dose-history/__tests__/route.test.ts
+++ b/src/app/api/medications/[id]/dose-history/__tests__/route.test.ts
@@ -19,7 +19,7 @@ import { NextRequest } from "next/server";
 vi.mock("@/lib/db", () => ({
   prisma: {
     medication: { findUnique: vi.fn() },
-    medicationIntakeEvent: { findMany: vi.fn() },
+    medicationIntakeEvent: { findMany: vi.fn(), findFirst: vi.fn() },
   },
 }));
 
@@ -567,3 +567,74 @@ describe("GET /api/medications/[id]/dose-history — slots before creation (#102
     });
   }
 });
+
+/**
+ * The history reads the window's rows, not every intake the medication ever
+ * had: for a medication taken for years each open of the tab read thousands
+ * of rows to show at most a year. Of the rows before the window only the
+ * latest take is read, because a rolling grid re-starts from it.
+ */
+describe("GET /api/medications/[id]/dose-history — the read is bounded to the window", () => {
+  const FROM = new Date("2026-06-01T00:00:00Z");
+  const TO = new Date("2026-06-15T00:00:00Z");
+  const windowQuery = `?from=${encodeURIComponent(FROM.toISOString())}&to=${encodeURIComponent(TO.toISOString())}`;
+
+  it("asks only for rows anchored or taken in the window", async () => {
+    await GET(getReq(windowQuery), ROUTE_PARAMS);
+
+    const where = vi.mocked(prisma.medicationIntakeEvent.findMany).mock
+      .calls[0][0]?.where;
+    expect(where).toMatchObject({
+      OR: [{ scheduledFor: { gte: FROM } }, { takenAt: { gte: FROM } }],
+    });
+    const before = vi.mocked(prisma.medicationIntakeEvent.findFirst).mock
+      .calls[0][0];
+    expect(before?.where).toMatchObject({
+      skipped: false,
+      scheduledFor: { lt: FROM },
+      takenAt: { lt: FROM },
+    });
+  });
+
+  it("re-starts a rolling grid from the latest take before the window", async () => {
+    vi.mocked(prisma.medication.findUnique).mockResolvedValue({
+      id: "med-1",
+      startsOn: null,
+      endsOn: null,
+      oneShot: false,
+      createdAt: new Date("2026-01-01T00:00:00Z"),
+      schedules: [
+        {
+          id: "sched-1",
+          windowStart: "08:00",
+          windowEnd: "08:00",
+          daysOfWeek: null,
+          timesOfDay: ["08:00"],
+          reminderGraceMinutes: null,
+          rrule: null,
+          rollingIntervalDays: 7,
+          scheduleType: "SCHEDULED",
+          cyclicOnWeeks: null,
+          cyclicOffWeeks: null,
+        },
+      ],
+    } as never);
+    // Taken four days before the window opens, nothing since: the next dose
+    // was due inside the window and reads as missed there.
+    vi.mocked(prisma.medicationIntakeEvent.findFirst).mockResolvedValue({
+      takenAt: new Date("2026-05-28T06:00:00Z"),
+    } as never);
+
+    const res = await GET(getReq(windowQuery), ROUTE_PARAMS);
+    expect(res.status).toBe(200);
+    const rows = (await res.json()).data.rows as Array<{
+      at: string;
+      kind: string;
+      status: string;
+    }>;
+
+    expect(rows.map((r) => [r.at.slice(0, 10), r.kind, r.status])).toEqual([
+      ["2026-06-04", "slot", "missed"],
+    ]);
+  });
+});
diff --git a/src/app/api/medications/[id]/dose-history/route.ts b/src/app/api/medications/[id]/dose-history/route.ts
index 7d9f7cf5b..652ae6d06 100644
--- a/src/app/api/medications/[id]/dose-history/route.ts
+++ b/src/app/api/medications/[id]/dose-history/route.ts
@@ -101,6 +101,61 @@ interface SerializedDoseHistoryRow {
   } | null;
 }
 
+/**
+ * The intakes a window needs: the rows anchored in it or taken in it (a late
+ * take on an older slot is an intake instant of the window), and of all the
+ * rows before it only the latest take, the anchor a rolling grid re-starts
+ * from and the last intake when none falls in the window. Earlier takes place
+ * no slot in the window. The whole history used to be read on every open, so
+ * a medication taken for years read thousands of rows to show at most a year.
+ */
+async function readWindowIntakes(
+  medicationId: string,
+  userId: string,
+  from: Date,
+) {
+  const [events, takenBefore] = await Promise.all([
+    prisma.medicationIntakeEvent.findMany({
+      where: {
+        medicationId,
+        userId,
+        deletedAt: null,
+        OR: [{ scheduledFor: { gte: from } }, { takenAt: { gte: from } }],
+      },
+      orderBy: [{ scheduledFor: "desc" }, { id: "desc" }],
+      select: {
+        id: true,
+        scheduledFor: true,
+        takenAt: true,
+        skipped: true,
+        autoMissed: true,
+        // v1.15.20 — USER_PIN rows bind by anchor in the read ledger.
+        attributionSource: true,
+        // v1.16.4 — per-intake dose override for the ledger's deviation hint.
+        doseTaken: true,
+        // v1.32.8 (iOS #64) — write provenance so the client can label how
+        // each dose was recorded (Web / API / Reminder / Import / AppleHealth).
+        source: true,
+        // v1.42.2 — the history labels an automatically recorded dose.
+        autoRecorded: true,
+      },
+    }),
+    prisma.medicationIntakeEvent.findFirst({
+      where: {
+        medicationId,
+        userId,
+        deletedAt: null,
+        skipped: false,
+        scheduledFor: { lt: from },
+        takenAt: { lt: from },
+      },
+      orderBy: [{ takenAt: "desc" }, { id: "desc" }],
+      select: { takenAt: true },
+    }),
+  ]);
+  return { events, anchorBefore: takenBefore?.takenAt ?? null };
+}
+
 export const GET = apiHandler(
   async (request: NextRequest, { params }: RouteParams) => {
     const { user } = await requireAuth();
@@ -165,26 +220,7 @@ export const GET = apiHandler(
       Math.max(requestedFrom.getTime(), spanFloor.getTime()),
     );
 
-    const events = await prisma.medicationIntakeEvent.findMany({
-      where: { medicationId: id, userId: user.id, deletedAt: null },
-      orderBy: [{ scheduledFor: "desc" }, { id: "desc" }],
-      select: {
-        id: true,
-        scheduledFor: true,
-        takenAt: true,
-        skipped: true,
-        autoMissed: true,
-        // v1.15.20 — USER_PIN rows bind by anchor in the read ledger.
-        attributionSource: true,
-        // v1.16.4 — per-intake dose override for the ledger's deviation hint.
-        doseTaken: true,
-        // v1.32.8 (iOS #64) — write provenance so the client can label how
-        // each dose was recorded (Web / API / Reminder / Import / AppleHealth).
-        source: true,
-        // v1.42.2 — the history labels an automatically recorded dose.
-        autoRecorded: true,
-      },
-    });
+    const { events, anchorBefore } = await readWindowIntakes(id, user.id, from);
 
     const mapped = events.map((e) => ({
       id: e.id,
@@ -198,7 +234,10 @@ export const GET = apiHandler(
       autoRecorded: e.autoRecorded,
     }));
 
-    const lastIntakeAt = lastNonSkippedTakenAt(mapped);
+    const lastIntakeAt = lastNonSkippedTakenAt([
+      ...mapped,
+      ...(anchorBefore ? [{ takenAt: anchorBefore, skipped: false }] : []),
+    ]);
 
     // A dose may be recorded before its slot's own time: the dose window opens
     // up to two hours early, and a skip can be logged ahead. Such a row is
@@ -263,6 +302,7 @@ export const GET = apiHandler(
     const intakeInstants = mapped
       .filter((e) => !e.skipped && e.takenAt !== null && e.takenAt <= to)
       .map((e) => e.takenAt as Date)
+      .concat(anchorBefore ? [anchorBefore] : [])
       .sort((a, b) => a.getTime() - b.getTime());
 
     const groups = buildBandsForSchedulesWithEras({
diff --git a/src/app/insights/active-energy/page.tsx b/src/app/insights/active-energy/page.tsx
index 2e0768bb4..c37b5c1c6 100644
--- a/src/app/insights/active-energy/page.tsx
+++ b/src/app/insights/active-energy/page.tsx
@@ -3,6 +3,7 @@
 import { Flame } from "lucide-react";
 
 import { HealthKitMetricPage } from "@/components/insights/healthkit-metric-page";
+import { useTranslations } from "@/lib/i18n/context";
 
 /**
  * v1.4.32 — `/insights/active-energy`.
@@ -14,6 +15,7 @@ import { HealthKitMetricPage } from "@/components/insights/healthkit-metric-page
  * imports collapse cleanly via the v1.4.30 drain script.
  */
 export default function InsightsActiveEnergyPage() {
+  const { t } = useTranslations();
   return (
     <HealthKitMetricPage
       measurementType="ACTIVE_ENERGY_BURNED"
@@ -27,7 +29,7 @@ export default function InsightsActiveEnergyPage() {
       yAxisUnit="kcal"
       emptyStateIcon={<Flame className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any active energy yet. What's a reasonable daily target, and how does it compare to total calories?"
+      coachPrefill={t("insights.activeEnergy.coachPrefill")}
     />
   );
 }
diff --git a/src/app/insights/audio-events/page.tsx b/src/app/insights/audio-events/page.tsx
index c77ca3c68..feb1415bf 100644
--- a/src/app/insights/audio-events/page.tsx
+++ b/src/app/insights/audio-events/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsLaermereignissePage() {
       yAxisUnit=""
       emptyStateIcon={<Volume2 className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any loud-environment events yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/blood-glucose/page.tsx b/src/app/insights/blood-glucose/page.tsx
index 60508761c..6e3255739 100644
--- a/src/app/insights/blood-glucose/page.tsx
+++ b/src/app/insights/blood-glucose/page.tsx
@@ -60,7 +60,6 @@ export default function InsightsBlutzuckerPage() {
       captureType="BLOOD_GLUCOSE"
       targetSummarySlug="blood-glucose"
       afterChart={<GlucoseClinicalPanel />}
-      coachPrefill="I haven't logged any blood glucose yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/blood-pressure/page.tsx b/src/app/insights/blood-pressure/page.tsx
index 6cfcd1a45..782110ac7 100644
--- a/src/app/insights/blood-pressure/page.tsx
+++ b/src/app/insights/blood-pressure/page.tsx
@@ -87,7 +87,7 @@ export default function InsightsBlutdruckPage() {
               </Link>
             </Button>
           }
-          coachPrefill="I haven't recorded any blood pressure yet. Why does it matter, and what should I know before I start?"
+          coachPrefill={t("insights.emptyState.bloodPressure.coachPrefill")}
         />
       </SubPageShell>
     );
diff --git a/src/app/insights/bmi/page.tsx b/src/app/insights/bmi/page.tsx
index cc6db7390..30d5b1ce1 100644
--- a/src/app/insights/bmi/page.tsx
+++ b/src/app/insights/bmi/page.tsx
@@ -90,7 +90,7 @@ export default function InsightsBmiPage() {
               </Link>
             </Button>
           }
-          coachPrefill="I haven't recorded any weight yet. Why does BMI matter for me, and what should I know before I start tracking it?"
+          coachPrefill={t("insights.emptyState.bmi.coachPrefill")}
         />
       </SubPageShell>
     );
diff --git a/src/app/insights/body-temperature/page.tsx b/src/app/insights/body-temperature/page.tsx
index 9c2ed241d..8ce4c7c02 100644
--- a/src/app/insights/body-temperature/page.tsx
+++ b/src/app/insights/body-temperature/page.tsx
@@ -3,6 +3,7 @@
 import { Thermometer } from "lucide-react";
 
 import { HealthKitMetricPage } from "@/components/insights/healthkit-metric-page";
+import { useTranslations } from "@/lib/i18n/context";
 
 /**
  * v1.4.32 — `/insights/body-temperature`.
@@ -13,6 +14,7 @@ import { HealthKitMetricPage } from "@/components/insights/healthkit-metric-page
  * them on separate enum values per the v1.4.30 categorisation overlay.
  */
 export default function InsightsBodyTemperaturePage() {
+  const { t } = useTranslations();
   return (
     <HealthKitMetricPage
       measurementType="BODY_TEMPERATURE"
@@ -24,7 +26,7 @@ export default function InsightsBodyTemperaturePage() {
       color="var(--chart-3)"
       emptyStateIcon={<Thermometer className="size-6" />}
       emptyStateCtaType="BODY_TEMPERATURE"
-      coachPrefill="I haven't logged any body temperature yet. What's the healthy range, and what should I do if it drifts?"
+      coachPrefill={t("insights.bodyTemperature.coachPrefill")}
     />
   );
 }
diff --git a/src/app/insights/body-water/page.tsx b/src/app/insights/body-water/page.tsx
index e5483e26c..e0954cc50 100644
--- a/src/app/insights/body-water/page.tsx
+++ b/src/app/insights/body-water/page.tsx
@@ -25,7 +25,6 @@ export default function InsightsKoerperwasserPage() {
       emptyStateIcon={<Droplet className="size-6" />}
       emptyStateCtaType={null}
       captureType="TOTAL_BODY_WATER"
-      coachPrefill="I haven't logged any total body water yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/bone-mass/page.tsx b/src/app/insights/bone-mass/page.tsx
index acecafe5e..daf73c6fd 100644
--- a/src/app/insights/bone-mass/page.tsx
+++ b/src/app/insights/bone-mass/page.tsx
@@ -25,7 +25,6 @@ export default function InsightsKnochenmassePage() {
       emptyStateIcon={<Bone className="size-6" />}
       emptyStateCtaType={null}
       captureType="BONE_MASS"
-      coachPrefill="I haven't logged any bone mass yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/breathing-disturbances/page.tsx b/src/app/insights/breathing-disturbances/page.tsx
index 52d092204..76490022f 100644
--- a/src/app/insights/breathing-disturbances/page.tsx
+++ b/src/app/insights/breathing-disturbances/page.tsx
@@ -24,7 +24,6 @@ export default function InsightsBreathingDisturbancesPage() {
       unitKey="insights.units.breathingEvents"
       emptyStateIcon={<Wind className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any sleep-breathing-disturbance data yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/cardio-fitness/page.tsx b/src/app/insights/cardio-fitness/page.tsx
index 8ea2756fc..582dd00d0 100644
--- a/src/app/insights/cardio-fitness/page.tsx
+++ b/src/app/insights/cardio-fitness/page.tsx
@@ -27,7 +27,6 @@ export default function InsightsCardioFitnessPage() {
       statIcon={Gauge}
       emptyStateIcon={<Gauge className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any cardio-fitness (VO₂ max) data yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/cardio-recovery/page.tsx b/src/app/insights/cardio-recovery/page.tsx
index f54fdf5e1..347be3257 100644
--- a/src/app/insights/cardio-recovery/page.tsx
+++ b/src/app/insights/cardio-recovery/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsCardioRecoveryPage() {
       yAxisUnit="bpm"
       emptyStateIcon={<HeartPulse className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any cardio-recovery data yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/daylight/page.tsx b/src/app/insights/daylight/page.tsx
index f6b4d023f..3760a54c1 100644
--- a/src/app/insights/daylight/page.tsx
+++ b/src/app/insights/daylight/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsTageslichtPage() {
       yAxisUnit="min"
       emptyStateIcon={<Sun className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any time spent in daylight yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/double-support-time/page.tsx b/src/app/insights/double-support-time/page.tsx
index 021ccb94a..5f767ac5d 100644
--- a/src/app/insights/double-support-time/page.tsx
+++ b/src/app/insights/double-support-time/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsDoppelstandphasePage() {
       yAxisUnit="%"
       emptyStateIcon={<Footprints className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any double support time yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/environmental-audio/page.tsx b/src/app/insights/environmental-audio/page.tsx
index 42e9e41d9..0f82ac5f0 100644
--- a/src/app/insights/environmental-audio/page.tsx
+++ b/src/app/insights/environmental-audio/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsLaermbelastungPage() {
       yAxisUnit="dBA"
       emptyStateIcon={<Volume2 className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any environmental sound exposure yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/falls/page.tsx b/src/app/insights/falls/page.tsx
index 6144b740a..093c55178 100644
--- a/src/app/insights/falls/page.tsx
+++ b/src/app/insights/falls/page.tsx
@@ -3,6 +3,7 @@
 import { PersonStanding } from "lucide-react";
 
 import { HealthKitMetricPage } from "@/components/insights/healthkit-metric-page";
+import { useTranslations } from "@/lib/i18n/context";
 
 /**
  * v1.10.0 — `/insights/falls`.
@@ -11,6 +12,7 @@ import { HealthKitMetricPage } from "@/components/insights/healthkit-metric-page
  * better. The series arrives from Apple Health sync — no manual-entry CTA.
  */
 export default function InsightsFallsPage() {
+  const { t } = useTranslations();
   return (
     <HealthKitMetricPage
       measurementType="FALL_COUNT"
@@ -23,7 +25,7 @@ export default function InsightsFallsPage() {
       unitKey="insights.units.falls"
       emptyStateIcon={<PersonStanding className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any fall data yet. What does this metric tell me about my health, and how do I lower my fall risk?"
+      coachPrefill={t("insights.falls.coachPrefill")}
     />
   );
 }
diff --git a/src/app/insights/fat-free-mass/page.tsx b/src/app/insights/fat-free-mass/page.tsx
index c51c7f995..d41e85dc6 100644
--- a/src/app/insights/fat-free-mass/page.tsx
+++ b/src/app/insights/fat-free-mass/page.tsx
@@ -24,7 +24,6 @@ export default function InsightsFettfreieMassePage() {
       color="var(--chart-1)"
       emptyStateIcon={<Scale className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any fat-free mass yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/fat-mass/page.tsx b/src/app/insights/fat-mass/page.tsx
index 835faa73d..832463239 100644
--- a/src/app/insights/fat-mass/page.tsx
+++ b/src/app/insights/fat-mass/page.tsx
@@ -24,7 +24,6 @@ export default function InsightsFettmassePage() {
       color="var(--chart-5)"
       emptyStateIcon={<Droplets className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any fat mass yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/flights-climbed/page.tsx b/src/app/insights/flights-climbed/page.tsx
index 9aa247148..5aaa8399f 100644
--- a/src/app/insights/flights-climbed/page.tsx
+++ b/src/app/insights/flights-climbed/page.tsx
@@ -25,7 +25,6 @@ export default function InsightsStockwerkePage() {
       unitKey="insights.units.flights"
       emptyStateIcon={<TrendingUp className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any flights climbed yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/headphone-audio/page.tsx b/src/app/insights/headphone-audio/page.tsx
index fafcaabbb..169d5b965 100644
--- a/src/app/insights/headphone-audio/page.tsx
+++ b/src/app/insights/headphone-audio/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsKopfhoererpegelPage() {
       yAxisUnit="dBA"
       emptyStateIcon={<Headphones className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any headphone audio exposure yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/hrv/page.tsx b/src/app/insights/hrv/page.tsx
index 06f3462a4..fb4ff3cca 100644
--- a/src/app/insights/hrv/page.tsx
+++ b/src/app/insights/hrv/page.tsx
@@ -3,6 +3,7 @@
 import { Activity } from "lucide-react";
 
 import { HealthKitMetricPage } from "@/components/insights/healthkit-metric-page";
+import { useTranslations } from "@/lib/i18n/context";
 import { EcgCrossLink } from "@/components/insights/ecg-cross-link";
 
 /**
@@ -20,6 +21,7 @@ import { EcgCrossLink } from "@/components/insights/ecg-cross-link";
  * own, labelled, because the two are not one measure.
  */
 export default function InsightsHrvPage() {
+  const { t } = useTranslations();
   return (
     <HealthKitMetricPage
       measurementType="HEART_RATE_VARIABILITY"
@@ -37,7 +39,7 @@ export default function InsightsHrvPage() {
       yAxisUnit="ms"
       emptyStateIcon={<Activity className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any HRV data yet. What does heart-rate variability tell me, and how do I capture it?"
+      coachPrefill={t("insights.hrv.coachPrefill")}
       // S10 / H1 — device-attributed pointer into the ECG viewer, in the
       // HRV / heart context. Self-gates to nothing without recordings.
       afterAssessment={<EcgCrossLink />}
diff --git a/src/app/insights/lean-body-mass/page.tsx b/src/app/insights/lean-body-mass/page.tsx
index ac41b155f..4d9453b83 100644
--- a/src/app/insights/lean-body-mass/page.tsx
+++ b/src/app/insights/lean-body-mass/page.tsx
@@ -24,7 +24,6 @@ export default function InsightsMagermassePage() {
       color="var(--chart-1)"
       emptyStateIcon={<Scale className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any lean body mass yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/medications/__tests__/page.test.tsx b/src/app/insights/medications/__tests__/page.test.tsx
new file mode 100644
index 000000000..7503f44fd
--- /dev/null
+++ b/src/app/insights/medications/__tests__/page.test.tsx
@@ -0,0 +1,81 @@
+import { describe, expect, it, vi } from "vitest";
+import { renderToStaticMarkup } from "react-dom/server";
+import type { ReactNode } from "react";
+
+/**
+ * Insights > Medications: the efficacy summary sits below every medication
+ * card and asks one efficacy read per medication. On entry it holds its slot
+ * with a sentinel and mounts only when scrolled near, so opening the page
+ * sends the cards' reads and not the summary's.
+ */
+
+vi.mock("@tanstack/react-query", () => ({
+  useQuery: ({ queryKey }: { queryKey: readonly unknown[] }) =>
+    queryKey[1] === "comprehensive"
+      ? {
+          data: {
+            medications: [
+              {
+                id: "m1",
+                name: "Ramipril",
+                dose: "5 mg",
+                category: "BLOOD_PRESSURE",
+                compliance7: 100,
+                compliance30: 95,
+                streak: 7,
+                taken7: 7,
+                skipped7: 0,
+                missed7: 0,
+              },
+            ],
+          },
+          isLoading: false,
+          isError: false,
+        }
+      : { data: undefined, isLoading: false, isError: false },
+}));
+vi.mock("@/hooks/use-auth", () => ({
+  useAuth: () => ({ isAuthenticated: true }),
+}));
+vi.mock("@/hooks/use-ai-capability", () => ({
+  useAiCapability: () => ({ available: false }),
+  useAiProviderState: () => ({ responseTimeoutMs: null }),
+}));
+vi.mock("@/components/insights/medication-efficacy-summary", () => ({
+  MedicationEfficacySummary: () => <div data-slot="efficacy-summary-mounted" />,
+}));
+vi.mock("@/components/insights/sub-page-shell", () => ({
+  SubPageShell: ({ children }: { children: ReactNode }) => <>{children}</>,
+}));
+vi.mock("@/components/insights/glp1-substance-curve-summary", () => ({
+  Glp1SubstanceCurveSummary: () => null,
+}));
+vi.mock("@/components/insights/metric-target-summary", () => ({
+  MetricTargetSummary: () => null,
+}));
+vi.mock("@/components/insights/insight-status-card", () => ({
+  InsightStatusCard: () => null,
+}));
+vi.mock("@/components/insights/coach-launch-button", () => ({
+  CoachLaunchButton: () => null,
+}));
+vi.mock("@/components/charts/compliance-heatmap", () => ({
+  ComplianceHeatmap: () => null,
+}));
+
+import { I18nProvider } from "@/lib/i18n/context";
+import InsightsMedikamentePage from "../page";
+
+describe("/insights/medications on entry", () => {
+  it("renders the cards and holds the efficacy summary until scrolled near", () => {
+    const html = renderToStaticMarkup(
+      <I18nProvider initialLocale="en">
+        <InsightsMedikamentePage />
+      </I18nProvider>,
+    );
+
+    expect(html).toContain("Ramipril");
+    expect(html).toContain('data-deferred-section="medication-efficacy"');
+    expect(html).not.toContain("efficacy-summary-mounted");
+  });
+});
diff --git a/src/app/insights/medications/page.tsx b/src/app/insights/medications/page.tsx
index bd17dc53f..efe9abb03 100644
--- a/src/app/insights/medications/page.tsx
+++ b/src/app/insights/medications/page.tsx
@@ -24,6 +24,7 @@ import { CoachLaunchButton } from "@/components/insights/coach-launch-button";
 import { InsightStatusCard } from "@/components/insights/insight-status-card";
 import { MetricTargetSummary } from "@/components/insights/metric-target-summary";
 import { MedicationEfficacySummary } from "@/components/insights/medication-efficacy-summary";
+import { DeferUntilNear } from "@/components/insights/defer-until-near";
 import { Glp1SubstanceCurveSummary } from "@/components/insights/glp1-substance-curve-summary";
 import { SubPageShell } from "@/components/insights/sub-page-shell";
 import { TileHeader } from "@/components/insights/tile-header";
@@ -321,12 +322,12 @@ export default function InsightsMedikamentePage() {
         })}
       </div>
 
-      {/* v1.28 — compact efficacy summary: reuses the same server-computed
-          efficacy DTO the detail-page "Wirkung" tab reads (never a second
-          computation), association-only, linking through to the full view. */}
-      <MedicationEfficacySummary
-        medications={medications.map((m) => ({ id: m.id, name: m.name }))}
-      />
+      {/* v1.28 — one efficacy read per medication, below every card: mounted when near. */}
+      <DeferUntilNear id="medication-efficacy">
+        <MedicationEfficacySummary
+          medications={medications.map((m) => ({ id: m.id, name: m.name }))}
+        />
+      </DeferUntilNear>
 
       {/* v1.28.20 — estimated active-substance curve for GLP-1 medications
           (additive; renders nothing when the user has no GLP-1 medication). */}
diff --git a/src/app/insights/mood/page-client.tsx b/src/app/insights/mood/page-client.tsx
index b543a4c08..00c75e12d 100644
--- a/src/app/insights/mood/page-client.tsx
+++ b/src/app/insights/mood/page-client.tsx
@@ -132,7 +132,7 @@ export default function InsightsMoodPageClient() {
               <Link href="/mood">{t("insights.emptyState.mood.cta")}</Link>
             </Button>
           }
-          coachPrefill="I haven't logged any mood entries yet. Why does mood tracking matter, and how should I start?"
+          coachPrefill={t("insights.emptyState.mood.coachPrefill")}
         />
       </SubPageShell>
     );
diff --git a/src/app/insights/muscle-mass/page.tsx b/src/app/insights/muscle-mass/page.tsx
index 42ce5fa8f..4538d0bb9 100644
--- a/src/app/insights/muscle-mass/page.tsx
+++ b/src/app/insights/muscle-mass/page.tsx
@@ -24,7 +24,6 @@ export default function InsightsMuskelmassePage() {
       color="var(--chart-1)"
       emptyStateIcon={<Dumbbell className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any muscle mass yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/oxygen/__tests__/page.test.tsx b/src/app/insights/oxygen/__tests__/page.test.tsx
index ca7a6b1aa..9580f2f86 100644
--- a/src/app/insights/oxygen/__tests__/page.test.tsx
+++ b/src/app/insights/oxygen/__tests__/page.test.tsx
@@ -13,6 +13,7 @@ import { describe, expect, it, vi } from "vitest";
 import { renderToStaticMarkup } from "react-dom/server";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 
+import { I18nProvider } from "@/lib/i18n/context";
 import { queryKeys } from "@/lib/query-keys";
 import type { ValueBand } from "@/lib/analytics/value-bands";
 
@@ -37,7 +38,9 @@ function bandsRendered(thresholds: unknown): ValueBand[] {
   }
   const html = renderToStaticMarkup(
     <QueryClientProvider client={client}>
-      <InsightsOxygenSaturationPage />
+      <I18nProvider initialLocale="en">
+        <InsightsOxygenSaturationPage />
+      </I18nProvider>
     </QueryClientProvider>,
   );
   const match = /<pre[^>]*>([^<]*)<\/pre>/.exec(html);
diff --git a/src/app/insights/oxygen/page.tsx b/src/app/insights/oxygen/page.tsx
index f45c47a81..9281fadec 100644
--- a/src/app/insights/oxygen/page.tsx
+++ b/src/app/insights/oxygen/page.tsx
@@ -3,6 +3,7 @@
 import { Wind } from "lucide-react";
 
 import { HealthKitMetricPage } from "@/components/insights/healthkit-metric-page";
+import { useTranslations } from "@/lib/i18n/context";
 import { buildOxygenSaturationBands } from "@/lib/analytics/value-bands";
 import { useOwnTargetRange } from "@/lib/queries/use-own-target-range";
 
@@ -20,6 +21,7 @@ import { useOwnTargetRange } from "@/lib/queries/use-own-target-range";
  * `/targets`, and the clinical bands otherwise.
  */
 export default function InsightsOxygenSaturationPage() {
+  const { t } = useTranslations();
   const ownRange = useOwnTargetRange("OXYGEN_SATURATION");
   return (
     <HealthKitMetricPage
@@ -38,7 +40,7 @@ export default function InsightsOxygenSaturationPage() {
       emptyStateIcon={<Wind className="size-6" />}
       emptyStateCtaType={null}
       captureType="OXYGEN_SATURATION"
-      coachPrefill="I haven't logged any oxygen-saturation data yet. What does SpO₂ tell me, and what range should I aim for?"
+      coachPrefill={t("insights.oxygenSaturation.coachPrefill")}
     />
   );
 }
diff --git a/src/app/insights/pulse-wave-velocity/page.tsx b/src/app/insights/pulse-wave-velocity/page.tsx
index ae16b14b4..069723f38 100644
--- a/src/app/insights/pulse-wave-velocity/page.tsx
+++ b/src/app/insights/pulse-wave-velocity/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsPulswellengeschwindigkeitPage() {
       yAxisUnit="m/s"
       emptyStateIcon={<Activity className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any pulse wave velocity yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/pulse/page.tsx b/src/app/insights/pulse/page.tsx
index 9f41dbe02..49c1d2357 100644
--- a/src/app/insights/pulse/page.tsx
+++ b/src/app/insights/pulse/page.tsx
@@ -115,7 +115,7 @@ export default function InsightsPulsPage() {
               </Link>
             </Button>
           }
-          coachPrefill="I haven't recorded any resting pulse yet. Why does it matter, and what should I know before I start?"
+          coachPrefill={t("insights.emptyState.pulse.coachPrefill")}
         />
       </SubPageShell>
     );
diff --git a/src/app/insights/respiratory-rate/page.tsx b/src/app/insights/respiratory-rate/page.tsx
index ac58a3568..6b4dfd20f 100644
--- a/src/app/insights/respiratory-rate/page.tsx
+++ b/src/app/insights/respiratory-rate/page.tsx
@@ -25,7 +25,6 @@ export default function InsightsAtemfrequenzPage() {
       unitKey="insights.units.respiratoryRate"
       emptyStateIcon={<Wind className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any respiratory rate yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/six-minute-walk/page.tsx b/src/app/insights/six-minute-walk/page.tsx
index 3bc1905f6..e75ea0013 100644
--- a/src/app/insights/six-minute-walk/page.tsx
+++ b/src/app/insights/six-minute-walk/page.tsx
@@ -25,7 +25,6 @@ export default function InsightsSixMinuteWalkPage() {
       yAxisUnit="m"
       emptyStateIcon={<Footprints className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any six-minute-walk data yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/skin-temperature/page.tsx b/src/app/insights/skin-temperature/page.tsx
index 1fff4f129..ca810282e 100644
--- a/src/app/insights/skin-temperature/page.tsx
+++ b/src/app/insights/skin-temperature/page.tsx
@@ -32,7 +32,6 @@ export default function InsightsHauttemperaturPage() {
       color="var(--chart-5)"
       emptyStateIcon={<Thermometer className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any skin temperature yet. What does this metric tell me about my health, and how do I improve it?"
       afterChart={
         <ConnectedDeviceScoreTile
           type="BODY_TEMPERATURE_DEVIATION"
diff --git a/src/app/insights/sleep/page.tsx b/src/app/insights/sleep/page.tsx
index 8b7659f36..218618b07 100644
--- a/src/app/insights/sleep/page.tsx
+++ b/src/app/insights/sleep/page.tsx
@@ -70,7 +70,7 @@ export default function InsightsSchlafPage() {
               </Link>
             </Button>
           }
-          coachPrefill="I don't have any sleep data yet. Why does sleep tracking matter, and what should I know before I connect a source?"
+          coachPrefill={t("insights.emptyState.sleep.coachPrefill")}
         />
       </SubPageShell>
     );
diff --git a/src/app/insights/stair-ascent-speed/page.tsx b/src/app/insights/stair-ascent-speed/page.tsx
index 0d4e85b3b..c712ce997 100644
--- a/src/app/insights/stair-ascent-speed/page.tsx
+++ b/src/app/insights/stair-ascent-speed/page.tsx
@@ -25,7 +25,6 @@ export default function InsightsStairAscentSpeedPage() {
       yAxisUnit="m/s"
       emptyStateIcon={<Gauge className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any stair-ascent-speed data yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/stair-descent-speed/page.tsx b/src/app/insights/stair-descent-speed/page.tsx
index 948a67404..d4bbe2ed4 100644
--- a/src/app/insights/stair-descent-speed/page.tsx
+++ b/src/app/insights/stair-descent-speed/page.tsx
@@ -25,7 +25,6 @@ export default function InsightsStairDescentSpeedPage() {
       yAxisUnit="m/s"
       emptyStateIcon={<Gauge className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any stair-descent-speed data yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/step-length/page.tsx b/src/app/insights/step-length/page.tsx
index 2eed765ca..474b932de 100644
--- a/src/app/insights/step-length/page.tsx
+++ b/src/app/insights/step-length/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsSchrittlaengePage() {
       yAxisUnit="m"
       emptyStateIcon={<Footprints className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any walking step length yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/steps/page.tsx b/src/app/insights/steps/page.tsx
index a562c4baf..ef07e757d 100644
--- a/src/app/insights/steps/page.tsx
+++ b/src/app/insights/steps/page.tsx
@@ -40,7 +40,7 @@ export default function InsightsStepsPage() {
       emptyStateIcon={<Footprints className="size-6" />}
       emptyStateCtaType={null}
       captureType="ACTIVITY_STEPS"
-      coachPrefill="I haven't logged any steps yet. What's a reasonable daily step target, and how does walking more help my health?"
+      coachPrefill={t("insights.steps.coachPrefill")}
       afterChart={
         calendarVisible ? (
           <CrossLinkCard
diff --git a/src/app/insights/vascular-age/page.tsx b/src/app/insights/vascular-age/page.tsx
index db5bbeea9..5d8f1b31c 100644
--- a/src/app/insights/vascular-age/page.tsx
+++ b/src/app/insights/vascular-age/page.tsx
@@ -25,7 +25,6 @@ export default function InsightsGefaessalterPage() {
       unitKey="insights.units.years"
       emptyStateIcon={<HeartPulse className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any vascular age yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/visceral-fat/page.tsx b/src/app/insights/visceral-fat/page.tsx
index ae22f62b8..15358bb02 100644
--- a/src/app/insights/visceral-fat/page.tsx
+++ b/src/app/insights/visceral-fat/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsViszeralfettPage() {
       yAxisUnit=""
       emptyStateIcon={<Droplets className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any visceral fat yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/walking-asymmetry/page.tsx b/src/app/insights/walking-asymmetry/page.tsx
index 640f05f06..26f04a998 100644
--- a/src/app/insights/walking-asymmetry/page.tsx
+++ b/src/app/insights/walking-asymmetry/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsGangasymmetriePage() {
       yAxisUnit="%"
       emptyStateIcon={<Footprints className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any walking asymmetry yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/walking-distance/page.tsx b/src/app/insights/walking-distance/page.tsx
index 5d4c4cf4b..bc8c1a334 100644
--- a/src/app/insights/walking-distance/page.tsx
+++ b/src/app/insights/walking-distance/page.tsx
@@ -24,7 +24,6 @@ export default function InsightsGehstreckePage() {
       color="var(--chart-2)"
       emptyStateIcon={<Footprints className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any walking and running distance yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/walking-heart-rate/page.tsx b/src/app/insights/walking-heart-rate/page.tsx
index ae4ba79d6..5d1b7aba1 100644
--- a/src/app/insights/walking-heart-rate/page.tsx
+++ b/src/app/insights/walking-heart-rate/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsGehpulsPage() {
       yAxisUnit="bpm"
       emptyStateIcon={<HeartPulse className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any walking heart rate average yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/walking-speed/page.tsx b/src/app/insights/walking-speed/page.tsx
index fc4b5d809..39128371e 100644
--- a/src/app/insights/walking-speed/page.tsx
+++ b/src/app/insights/walking-speed/page.tsx
@@ -24,7 +24,6 @@ export default function InsightsGehgeschwindigkeitPage() {
       color="var(--chart-2)"
       emptyStateIcon={<Gauge className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any walking speed yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/walking-steadiness/page.tsx b/src/app/insights/walking-steadiness/page.tsx
index 0fa566184..33649e17a 100644
--- a/src/app/insights/walking-steadiness/page.tsx
+++ b/src/app/insights/walking-steadiness/page.tsx
@@ -26,7 +26,6 @@ export default function InsightsGangstabilitaetPage() {
       yAxisUnit="%"
       emptyStateIcon={<Gauge className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any walking steadiness yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/insights/weight/page.tsx b/src/app/insights/weight/page.tsx
index 75101098f..2023ee9ed 100644
--- a/src/app/insights/weight/page.tsx
+++ b/src/app/insights/weight/page.tsx
@@ -122,7 +122,7 @@ export default function InsightsGewichtPage() {
               </Link>
             </Button>
           }
-          coachPrefill="I haven't recorded any weight yet. Why does it matter, and what should I know before I start tracking?"
+          coachPrefill={t("insights.emptyState.weight.coachPrefill")}
         />
       </SubPageShell>
     );
diff --git a/src/app/insights/workouts/page-client.tsx b/src/app/insights/workouts/page-client.tsx
index e9ea0f979..f92a8ae9b 100644
--- a/src/app/insights/workouts/page-client.tsx
+++ b/src/app/insights/workouts/page-client.tsx
@@ -142,7 +142,7 @@ export default function InsightsWorkoutsPageClient() {
               </Button>
             ) : null
           }
-          coachPrefill="I haven't logged any workouts yet. Why does tracking them matter, and what should I focus on first?"
+          coachPrefill={t("insights.workouts.emptyState.coachPrefill")}
         />
       ) : (
         <>
diff --git a/src/app/insights/wrist-temperature/page.tsx b/src/app/insights/wrist-temperature/page.tsx
index 44a005ff2..2f1a5f23a 100644
--- a/src/app/insights/wrist-temperature/page.tsx
+++ b/src/app/insights/wrist-temperature/page.tsx
@@ -24,7 +24,6 @@ export default function InsightsWristTemperaturePage() {
       color="var(--chart-5)"
       emptyStateIcon={<Thermometer className="size-6" />}
       emptyStateCtaType={null}
-      coachPrefill="I haven't logged any wrist-temperature data yet. What does this metric tell me about my health, and how do I improve it?"
     />
   );
 }
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index 2e41e3b20..ad5c734a4 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -8,6 +8,7 @@ import "./globals.css";
 import { Providers } from "@/components/providers";
 import { AuthShell } from "@/components/layout/auth-shell";
 import { MonitoringBootstrap } from "@/components/monitoring/bootstrap";
+import { getPublicMonitoringSettings } from "@/lib/monitoring-settings";
 import { WebVitalsReporter } from "@/components/monitoring/web-vitals-reporter";
 import { resolveInitialLocale } from "@/lib/i18n/resolve-initial-locale";
 import { isKeyMismatch } from "@/lib/boot/key-mismatch-state";
@@ -86,7 +87,12 @@ export default async function RootLayout({
       ? ((await headers()).get("x-nonce") ?? undefined)
       : undefined;
 
-  const initialLocale = await resolveInitialLocale();
+  // The monitoring switches ride the document render instead of a request
+  // from every page load; the key-mismatch page reads no data.
+  const [initialLocale, monitoring] = await Promise.all([
+    resolveInitialLocale(),
+    isKeyMismatch() ? null : getPublicMonitoringSettings(),
+  ]);
 
   return (
     <html lang={initialLocale} suppressHydrationWarning>
@@ -139,7 +145,15 @@ export default async function RootLayout({
           <KeyMismatchPage locale={initialLocale} />
         ) : (
           <Providers initialLocale={initialLocale}>
-            <MonitoringBootstrap />
+            <MonitoringBootstrap
+              settings={
+                monitoring && {
+                  umamiEnabled: monitoring.umamiEnabled,
+                  umamiWebsiteId: monitoring.umamiWebsiteId,
+                  glitchtipEnabled: monitoring.glitchtipEnabled,
+                }
+              }
+            />
             <WebVitalsReporter />
             {/* `DEMO_MODE` is a server-only env var; the proxy uses it to
               block mutations. Resolve it here (server component) and
diff --git a/src/app/page.tsx b/src/app/page.tsx
index 48af2ec52..bda704c49 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -102,6 +102,19 @@ export default async function DashboardPage() {
       const queryClient = new QueryClient();
       queryClient.setQueryData(queryKeys.dashboardSnapshot(locale), wireBody);
       queryClient.setQueryData(queryKeys.dashboardWidgets(), wireBody.layout);
+      // The mood chart's series rides the mood tile (same engine as
+      // `/api/mood/analytics`); seeded with readings only, where the tile's
+      // summary is the route's.
+      const mood = (
+        wireBody.tiles as
+          { mood?: { entries: unknown[]; summary: unknown } } | undefined
+      )?.mood;
+      if (mood?.summary && mood.entries.length > 0) {
+        queryClient.setQueryData(queryKeys.moodAnalytics(), {
+          entries: mood.entries,
+          summary: mood.summary,
+        });
+      }
 
       // Above-the-fold prefetch runs ONLY in snapshot mode: legacy mode derives
       // its chart-type list from analytics queries the RSC did not run, so there
diff --git a/src/components/__tests__/version-poller.test.ts b/src/components/__tests__/version-poller.test.ts
index 14b0a24da..c9a25defa 100644
--- a/src/components/__tests__/version-poller.test.ts
+++ b/src/components/__tests__/version-poller.test.ts
@@ -15,7 +15,11 @@
 
 import { describe, expect, it } from "vitest";
 
-import { cachesToEvict, resolveVersionPollDecision } from "../version-poller";
+import {
+  cachesToEvict,
+  resolveVersionPollDecision,
+  versionCheckDueOnReturn,
+} from "../version-poller";
 
 describe("resolveVersionPollDecision", () => {
   it("is up-to-date when live matches the shell", () => {
@@ -172,3 +176,20 @@ describe("cachesToEvict", () => {
     expect(cachesToEvict(keys, "1.43.0")).not.toContain("another-app-cache");
   });
 });
+
+describe("versionCheckDueOnReturn", () => {
+  const NOW = 1_000_000_000;
+
+  it("asks at once when the tab comes back after a full interval away", () => {
+    expect(versionCheckDueOnReturn("visible", NOW - 60_000, NOW)).toBe(true);
+    expect(versionCheckDueOnReturn("visible", 0, NOW)).toBe(true);
+  });
+
+  it("does not ask again on a quick switch back", () => {
+    expect(versionCheckDueOnReturn("visible", NOW - 5_000, NOW)).toBe(false);
+  });
+
+  it("never asks while the tab is hidden", () => {
+    expect(versionCheckDueOnReturn("hidden", 0, NOW)).toBe(false);
+  });
+});
diff --git a/src/components/admin/__tests__/coach-feedback-section.test.tsx b/src/components/admin/__tests__/coach-feedback-section.test.tsx
index 8886fb700..a68e821d3 100644
--- a/src/components/admin/__tests__/coach-feedback-section.test.tsx
+++ b/src/components/admin/__tests__/coach-feedback-section.test.tsx
@@ -19,6 +19,7 @@ vi.mock("@tanstack/react-query", () => ({
 }));
 
 import { I18nProvider } from "@/lib/i18n/context";
+import { AiQualitySection } from "../ai-quality-section";
 import { CoachFeedbackSection } from "../coach-feedback-section";
 
 function render() {
@@ -138,3 +139,25 @@ describe("CoachFeedbackSection", () => {
     }
   });
 });
+
+describe("the Coach admin page's two quality cards", () => {
+  it("read one cache cell, so the page asks for the summary once", () => {
+    useQueryMock.mockReset().mockReturnValue({
+      isLoading: true,
+      isError: false,
+      data: null,
+    });
+    renderToStaticMarkup(
+      <I18nProvider initialLocale="en">
+        <AiQualitySection />
+        <CoachFeedbackSection />
+      </I18nProvider>,
+    );
+
+    const keys = useQueryMock.mock.calls.map(
+      ([options]) => (options as { queryKey: unknown }).queryKey,
+    );
+    expect(keys).toHaveLength(2);
+    expect(keys[1]).toEqual(keys[0]);
+  });
+});
diff --git a/src/components/admin/__tests__/recovery-readiness-card.test.tsx b/src/components/admin/__tests__/recovery-readiness-card.test.tsx
index 3d130ed3b..ac09f58fa 100644
--- a/src/components/admin/__tests__/recovery-readiness-card.test.tsx
+++ b/src/components/admin/__tests__/recovery-readiness-card.test.tsx
@@ -24,7 +24,10 @@ import type {
   ReadinessSignal,
   RecoveryReadiness,
 } from "@/components/admin/use-recovery-readiness";
-import { READINESS_FIX_PATHS } from "@/lib/recovery/readiness-model";
+import {
+  READINESS_FIX_PATHS,
+  READINESS_SIGNALS,
+} from "@/lib/recovery/readiness-model";
 import { primeLocales } from "@/__tests__/helpers/prime-locales";
 
 primeLocales("de");
@@ -97,6 +100,23 @@ function row(html: string, id: string): string {
 }
 
 describe("RecoveryReadinessCard", () => {
+  it("holds one row per signal while it loads, so the cards below stay put", () => {
+    // A read that has not answered: no data, no error.
+    const client = new QueryClient();
+    const html = renderToStaticMarkup(
+      <QueryClientProvider client={client}>
+        <I18nProvider initialLocale="en">
+          <RecoveryReadinessCard />
+        </I18nProvider>
+      </QueryClientProvider>,
+    );
+    const start = html.indexOf('data-testid="recovery-readiness-loading"');
+    expect(start).toBeGreaterThan(-1);
+    expect(html.slice(start).match(/<li/g)?.length).toBe(
+      READINESS_SIGNALS.length,
+    );
+  });
+
   it("renders every signal with its state and sentence", () => {
     pathname.current = "/admin";
     const html = render(READINESS);
diff --git a/src/components/admin/coach-feedback-section.tsx b/src/components/admin/coach-feedback-section.tsx
index 3eb6659bb..1fcdab3bc 100644
--- a/src/components/admin/coach-feedback-section.tsx
+++ b/src/components/admin/coach-feedback-section.tsx
@@ -51,7 +51,9 @@ export function CoachFeedbackSection() {
   const fmt = useFormatters();
 
   const query = useQuery({
-    queryKey: queryKeys.adminCoachFeedback(),
+    // The same read as the AI quality section beside it, so one request
+    // serves both cards.
+    queryKey: queryKeys.adminAiQuality(),
     queryFn: async () => {
       const data = await apiGet<{ summary: FeedbackSummary | null } | null>(
         "/api/admin/ai-quality",
diff --git a/src/components/admin/recovery-readiness-card.tsx b/src/components/admin/recovery-readiness-card.tsx
index d77ae64d1..34189912b 100644
--- a/src/components/admin/recovery-readiness-card.tsx
+++ b/src/components/admin/recovery-readiness-card.tsx
@@ -24,7 +24,6 @@ import {
   CheckCircle2,
   Clock,
   LifeBuoy,
-  Loader2,
   MinusCircle,
   XCircle,
 } from "lucide-react";
@@ -34,6 +33,7 @@ import { SettingsCard } from "@/components/settings/settings-card";
 import { Badge } from "@/components/ui/badge";
 import { InlineAction } from "@/components/ui/inline-action";
 import { QueryErrorRow } from "@/components/ui/query-error-row";
+import { Skeleton } from "@/components/ui/skeleton";
 import { useFormatters, useTranslations } from "@/lib/i18n/context";
 import { cn } from "@/lib/utils";
 
@@ -44,6 +44,17 @@ import {
   type RecoveryReadiness,
 } from "./use-recovery-readiness";
 
+/** One placeholder row per readiness signal the card always lists. */
+const READINESS_SIGNAL_SLOTS = [
+  "database_dump",
+  "weekly_copy",
+  "offhost_copies",
+  "restore_drill",
+  "offhost_setup",
+  "dump_retention",
+  "recovery_kit",
+] as const satisfies readonly ReadinessSignal["id"][];
+
 const STATE_ICON: Record<
   ReadinessState,
   React.ComponentType<{ className?: string; "aria-hidden"?: boolean }>
@@ -194,14 +205,27 @@ export function RecoveryReadinessCard() {
           onRetry={() => void refetch()}
         />
       ) : (
-        <div className="flex items-center gap-2">
-          <Loader2
-            className="text-muted-foreground size-4 animate-spin motion-reduce:animate-none"
-            aria-hidden="true"
-          />
-          <span className="text-muted-foreground text-sm">
+        // Holds the list's height while it loads. The card opens the backups
+        // page, and a one-line spinner here pushed every card below it down
+        // by the whole list once the signals landed.
+        <div data-testid="recovery-readiness-loading">
+          <span className="sr-only">
             {t("admin.recoveryReadiness.loading")}
           </span>
+          <ul className="divide-border divide-y" aria-hidden="true">
+            {READINESS_SIGNAL_SLOTS.map((slot) => (
+              <li
+                key={slot}
+                className="flex items-start gap-3 py-3 first:pt-0 last:pb-0"
+              >
+                <Skeleton className="mt-0.5 size-4 shrink-0 rounded-full" />
+                <div className="min-w-0 flex-1 space-y-1">
+                  <Skeleton className="h-5 w-40 max-w-full" />
+                  <Skeleton className="h-5 w-full" />
+                </div>
+              </li>
+            ))}
+          </ul>
         </div>
       )}
     </SettingsCard>
diff --git a/src/components/charts/health-chart/use-health-chart-series.ts b/src/components/charts/health-chart/use-health-chart-series.ts
index 7935f2f5f..03dd263ee 100644
--- a/src/components/charts/health-chart/use-health-chart-series.ts
+++ b/src/components/charts/health-chart/use-health-chart-series.ts
@@ -73,8 +73,8 @@ async function readDailySeries({
   async function fetchSleepNights() {
     const sleepParams = new URLSearchParams();
     sleepParams.set("kind", "sleep");
-    // The series route caps sleep at 365 days; clamp the request so a
-    // longer comparison window still resolves.
+    // The series route caps `days` at 3650 (the "All" tab); clamp the
+    // request so a window stretched by a comparison shift still resolves.
     sleepParams.set(
       "days",
       String(Math.max(1, Math.min(3650, Math.ceil(fetchWindow.windowDays)))),
diff --git a/src/components/cycle/__tests__/cycle-calendar.test.tsx b/src/components/cycle/__tests__/cycle-calendar.test.tsx
index 8cec062a3..0c0e1cc14 100644
--- a/src/components/cycle/__tests__/cycle-calendar.test.tsx
+++ b/src/components/cycle/__tests__/cycle-calendar.test.tsx
@@ -1,7 +1,7 @@
 import { describe, it, expect } from "vitest";
 import { renderToStaticMarkup } from "react-dom/server";
 
-import { CycleCalendar } from "../cycle-calendar";
+import { CycleCalendar, CycleCalendarSkeleton } from "../cycle-calendar";
 import { I18nProvider } from "@/lib/i18n/context";
 import type { CalendarDay } from "../types";
 
@@ -242,3 +242,20 @@ describe("<CycleCalendar>", () => {
     });
   });
 });
+
+describe("CycleCalendarSkeleton", () => {
+  // November 2026 starts on a Sunday and spans six weeks; February 2027
+  // starts on a Monday and spans four.
+  for (const today of ["2026-11-11", "2027-02-10"]) {
+    it(`holds as many weeks as the month it stands in for (${today})`, () => {
+      const calendar = render(<CycleCalendar days={[]} today={today} />);
+      const skeleton = render(<CycleCalendarSkeleton today={today} />);
+
+      // Every row but the weekday header is one week.
+      const weeks = (calendar.match(/role="row"/g)?.length ?? 0) - 1;
+      const cells = skeleton.match(/aspect-square/g)?.length ?? 0;
+      expect(weeks).toBeGreaterThan(3);
+      expect(cells).toBe(weeks * 7);
+    });
+  }
+});
diff --git a/src/components/cycle/cycle-calendar.tsx b/src/components/cycle/cycle-calendar.tsx
index aa57342ba..4225e836f 100644
--- a/src/components/cycle/cycle-calendar.tsx
+++ b/src/components/cycle/cycle-calendar.tsx
@@ -5,6 +5,7 @@ import { ChevronLeft, ChevronRight } from "lucide-react";
 
 import { cn } from "@/lib/utils";
 import { Button } from "@/components/ui/button";
+import { Skeleton } from "@/components/ui/skeleton";
 import { useTranslations } from "@/lib/i18n/context";
 import { resolveIntlLocale } from "@/lib/format-locale";
 import type { Locale } from "@/lib/i18n/config";
@@ -65,6 +66,43 @@ function mondayIndex(d: Date): number {
   return (d.getDay() + 6) % 7;
 }
 
+/**
+ * The calendar's frame while the page's read is in flight: the month header
+ * and the weeks of `today`'s month in the grid's own cell size, so the card
+ * keeps the height the month takes instead of growing from a line of text.
+ * The loading text stays for screen readers.
+ */
+export function CycleCalendarSkeleton({ today }: { today: string }) {
+  const { t } = useTranslations();
+  const [y, m] = today.split("-").map(Number);
+  const daysInMonth = new Date(y, m, 0).getDate();
+  const weeks = Math.ceil(
+    (mondayIndex(new Date(y, m - 1, 1)) + daysInMonth) / 7,
+  );
+  return (
+    <div data-slot="cycle-calendar-skeleton">
+      <span className="sr-only">{t("cycle.calendar.loading")}</span>
+      <div aria-hidden="true" className="space-y-3">
+        <div className="flex items-center justify-between">
+          <Skeleton className="size-10 rounded-md pointer-coarse:min-h-11 pointer-coarse:min-w-11" />
+          <Skeleton className="h-5 w-32" />
+          <Skeleton className="size-10 rounded-md pointer-coarse:min-h-11 pointer-coarse:min-w-11" />
+        </div>
+        <div className="grid grid-cols-7 gap-1">
+          {Array.from({ length: 7 }, (_, i) => (
+            <div key={`weekday-${i}`} className="text-2xs pb-1">
+              &nbsp;
+            </div>
+          ))}
+          {Array.from({ length: weeks * 7 }, (_, i) => (
+            <Skeleton key={i} className="aspect-square min-h-11 rounded-lg" />
+          ))}
+        </div>
+      </div>
+    </div>
+  );
+}
+
 type Translate = ReturnType<typeof useTranslations>["t"];
 
 const CELL_DATE_FORMATS = new Map<Locale, Intl.DateTimeFormat>();
diff --git a/src/components/cycle/cycle-view.tsx b/src/components/cycle/cycle-view.tsx
index b748a1a8b..2fefabe70 100644
--- a/src/components/cycle/cycle-view.tsx
+++ b/src/components/cycle/cycle-view.tsx
@@ -16,7 +16,7 @@ import { useRecordCapabilities } from "@/hooks/use-record-capabilities";
 import { useTranslations } from "@/lib/i18n/context";
 import { cn } from "@/lib/utils";
 import { CycleRing } from "./cycle-ring";
-import { CycleCalendar } from "./cycle-calendar";
+import { CycleCalendar, CycleCalendarSkeleton } from "./cycle-calendar";
 import { CycleHistoryChart } from "./cycle-history-chart";
 import { LogDaySheet, sheetDayContext } from "./log-day-sheet";
 import { PhaseEducationCard } from "./phase-education-card";
@@ -347,9 +347,7 @@ export function CycleView() {
             <Card>
               <CardContent className="py-4">
                 {loading ? (
-                  <p className="text-muted-foreground text-sm">
-                    {t("cycle.calendar.loading")}
-                  </p>
+                  <CycleCalendarSkeleton today={today} />
                 ) : calendarError ? (
                   // Inside the calendar card already — a borderless row keeps
                   // it in line with the plain loading line above it (§3/§6).
diff --git a/src/components/insights/__tests__/healthkit-metric-page-coach-prefill.test.tsx b/src/components/insights/__tests__/healthkit-metric-page-coach-prefill.test.tsx
new file mode 100644
index 000000000..99013aa5c
--- /dev/null
+++ b/src/components/insights/__tests__/healthkit-metric-page-coach-prefill.test.tsx
@@ -0,0 +1,74 @@
+import { describe, expect, it, vi } from "vitest";
+import { renderToStaticMarkup } from "react-dom/server";
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+
+import { I18nProvider } from "@/lib/i18n/context";
+import { primeMessages } from "@/lib/i18n/load-locale";
+import deMessages from "../../../../messages/de.json";
+
+primeMessages("de", deMessages);
+
+/**
+ * A metric page with no data offers the Coach a question in the reader's
+ * language. The pages used to pass their own English sentence, and most of
+ * them were one sentence with the metric's name swapped in; the page now asks
+ * that one, translated, with its own title, and a metric with a question of
+ * its own reads it from the catalog too.
+ */
+
+const prefills: Array<string | null | undefined> = [];
+vi.mock("@/components/insights/metric-empty-state", () => ({
+  MetricEmptyState: ({ coachPrefill }: { coachPrefill?: string | null }) => {
+    prefills.push(coachPrefill);
+    return null;
+  },
+}));
+vi.mock("@/hooks/use-ai-capability", () => ({
+  useAiCapability: () => ({ available: true, reason: null }),
+}));
+vi.mock("next/dynamic", () => ({ default: () => () => null }));
+vi.mock("next/navigation", () => ({
+  usePathname: () => "/insights/visceral-fat",
+}));
+vi.mock("@/hooks/use-auth", () => ({
+  useAuth: () => ({
+    user: { timezone: "UTC", dateOfBirth: null, gender: null },
+    isAuthenticated: true,
+  }),
+}));
+vi.mock("@/hooks/use-insights-layout-prefs", () => ({
+  useInsightsLayoutPrefs: () => ({ layout: null, compareBaseline: false }),
+}));
+vi.mock("@/hooks/use-insights-analytics", () => ({
+  useInsightsAnalytics: () => ({ data: { summaries: {} }, isEmpty: true }),
+}));
+
+import InsightsViszeralfettPage from "@/app/insights/visceral-fat/page";
+import InsightsStepsPage from "@/app/insights/steps/page";
+
+function emptyStatePrefill(node: React.ReactNode, locale: "en" | "de") {
+  prefills.length = 0;
+  renderToStaticMarkup(
+    <QueryClientProvider client={new QueryClient()}>
+      <I18nProvider initialLocale={locale}>{node}</I18nProvider>
+    </QueryClientProvider>,
+  );
+  return prefills.at(-1);
+}
+
+describe("the empty metric page's Coach question", () => {
+  it("is the shared sentence with the page's title, in the reader's language", () => {
+    expect(emptyStatePrefill(<InsightsViszeralfettPage />, "de")).toBe(
+      "Viszeralfett: Ich habe hier noch nichts erfasst. Was sagt dieser Wert über meine Gesundheit aus, und wie verbessere ich ihn?",
+    );
+    expect(emptyStatePrefill(<InsightsViszeralfettPage />, "en")).toBe(
+      "Visceral Fat: I haven't logged anything here yet. What does this metric tell me about my health, and how do I improve it?",
+    );
+  });
+
+  it("keeps a metric's own question, translated", () => {
+    expect(emptyStatePrefill(<InsightsStepsPage />, "de")).toBe(
+      "Ich habe noch keine Schritte erfasst. Was ist ein sinnvolles tägliches Schrittziel, und wie hilft mehr Gehen meiner Gesundheit?",
+    );
+  });
+});
diff --git a/src/components/insights/__tests__/insights-layout-shell-reads.test.tsx b/src/components/insights/__tests__/insights-layout-shell-reads.test.tsx
new file mode 100644
index 000000000..1d6bfb37c
--- /dev/null
+++ b/src/components/insights/__tests__/insights-layout-shell-reads.test.tsx
@@ -0,0 +1,76 @@
+import { describe, expect, it, vi } from "vitest";
+import { renderToStaticMarkup } from "react-dom/server";
+
+/**
+ * The layout shell wraps every Insights page. It owns the regenerate button
+ * on the tab strip but shows no briefing, so it must not read the briefing
+ * on entry: on a metric page that read was a request (and the schema chunk
+ * that parses its answer) for a button. The button itself stays.
+ */
+
+const queries: Array<{ queryKey: readonly unknown[]; enabled?: boolean }> = [];
+const stripProps: Array<{ onRegenerate?: unknown }> = [];
+
+vi.mock("@tanstack/react-query", () => ({
+  useQuery: (options: { queryKey: readonly unknown[]; enabled?: boolean }) => {
+    queries.push(options);
+    return { data: undefined, isLoading: false, isError: false };
+  },
+  useMutation: () => ({ mutate: vi.fn(), isPending: false, data: undefined }),
+  useQueryClient: () => ({
+    getQueryCache: () => ({ find: () => undefined }),
+  }),
+}));
+vi.mock("@/hooks/use-auth", () => ({
+  useAuth: () => ({ isAuthenticated: true, user: { modules: {} } }),
+}));
+vi.mock("@/hooks/use-mounted", () => ({ useMounted: () => true }));
+vi.mock("@/hooks/use-ai-capability", () => ({
+  useAiCapability: () => ({ available: true }),
+  useAiProviderState: () => ({ responseTimeoutMs: null }),
+}));
+vi.mock("@/hooks/use-surface-visible", () => ({
+  useSurfaceVisible: () => true,
+}));
+vi.mock("@/hooks/use-workouts", () => ({
+  useWorkouts: () => ({ data: undefined }),
+}));
+vi.mock("@/lib/queries/use-analytics-query", () => ({
+  useAnalyticsQuery: () => ({ data: undefined }),
+}));
+vi.mock("@/hooks/use-insights-layout", () => ({
+  useInsightsLayoutQuery: () => ({
+    layout: { tiles: [] },
+    isSuccess: false,
+  }),
+}));
+vi.mock("@/components/insights/use-ecg-list", () => ({
+  useEcgList: () => ({ data: undefined }),
+}));
+vi.mock("@/components/insights/insights-tab-strip", () => ({
+  InsightsTabStrip: (props: { onRegenerate?: unknown }) => {
+    stripProps.push(props);
+    return null;
+  },
+}));
+
+import { queryKeys } from "@/lib/query-keys";
+import { InsightsLayoutShell } from "../insights-layout-shell";
+
+describe("InsightsLayoutShell — what it reads on entry", () => {
+  it("keeps the regenerate button and sends no briefing read", () => {
+    renderToStaticMarkup(
+      <InsightsLayoutShell>
+        <div />
+      </InsightsLayoutShell>,
+    );
+
+    const advisorKey = JSON.stringify(queryKeys.insightsAdvisor());
+    const advisor = queries.filter(
+      (q) => JSON.stringify(q.queryKey) === advisorKey,
+    );
+    expect(advisor).toHaveLength(1);
+    expect(advisor[0].enabled).toBe(false);
+    expect(typeof stripProps[0]?.onRegenerate).toBe("function");
+  });
+});
diff --git a/src/components/insights/__tests__/use-insights-advisor-baseline.test.ts b/src/components/insights/__tests__/use-insights-advisor-baseline.test.ts
new file mode 100644
index 000000000..e1cb0c54f
--- /dev/null
+++ b/src/components/insights/__tests__/use-insights-advisor-baseline.test.ts
@@ -0,0 +1,68 @@
+/**
+ * The tab strip owns the regenerate button on every Insights page but shows
+ * no briefing, so it no longer reads one on entry. A regenerate from a page
+ * that never read the briefing still needs the briefing it replaces as the
+ * baseline a timed-out attempt settles against; without it the old briefing
+ * would read as the fresh one. `ensureAdvisorBaseline` reads it first, and
+ * only when the cache holds none.
+ */
+import { beforeEach, describe, expect, it, vi } from "vitest";
+import { QueryClient } from "@tanstack/react-query";
+
+const apiFetchRaw = vi.fn();
+
+vi.mock("@/lib/api/api-fetch", () => ({
+  apiFetchRaw: (...a: unknown[]) => apiFetchRaw(...a),
+}));
+
+import { queryKeys } from "@/lib/query-keys";
+import { ensureAdvisorBaseline } from "../use-insights-advisor";
+
+const CACHED_AT = "2026-11-10T05:00:00.000Z";
+
+beforeEach(() => {
+  apiFetchRaw.mockReset().mockResolvedValue({
+    ok: true,
+    status: 200,
+    json: async () => ({
+      data: { insights: {}, cached: true, cachedAt: CACHED_AT },
+    }),
+  } as unknown as Response);
+});
+
+describe("ensureAdvisorBaseline", () => {
+  it("reads the briefing a regenerate replaces when nothing has read it yet", async () => {
+    const queryClient = new QueryClient();
+
+    await ensureAdvisorBaseline(queryClient);
+
+    expect(apiFetchRaw).toHaveBeenCalledTimes(1);
+    expect(apiFetchRaw.mock.calls[0][1]).toMatchObject({ method: "GET" });
+    const cached = queryClient.getQueryData<{
+      payload: { cachedAt: string } | null;
+    }>(queryKeys.insightsAdvisor());
+    expect(cached?.payload?.cachedAt).toBe(CACHED_AT);
+  });
+
+  it("asks nothing when the overview already read it", async () => {
+    const queryClient = new QueryClient();
+    queryClient.setQueryData(queryKeys.insightsAdvisor(), {
+      payload: { cachedAt: CACHED_AT },
+      outcome: "fresh",
+    });
+
+    await ensureAdvisorBaseline(queryClient);
+
+    expect(apiFetchRaw).not.toHaveBeenCalled();
+  });
+
+  it("leaves the baseline empty when the read fails", async () => {
+    apiFetchRaw.mockRejectedValue(new Error("offline"));
+    const queryClient = new QueryClient();
+
+    await expect(ensureAdvisorBaseline(queryClient)).resolves.toBeUndefined();
+    expect(
+      queryClient.getQueryData(queryKeys.insightsAdvisor()),
+    ).toBeUndefined();
+  });
+});
diff --git a/src/components/insights/healthkit-metric-page.tsx b/src/components/insights/healthkit-metric-page.tsx
index a59a2baa3..4a2cdb59d 100644
--- a/src/components/insights/healthkit-metric-page.tsx
+++ b/src/components/insights/healthkit-metric-page.tsx
@@ -148,9 +148,8 @@ export interface HealthKitMetricPageProps {
    */
   statIcon?: ComponentType<{ className?: string }>;
   /**
-   * Optional Coach prefill for the empty-state launch. Falls back to a
-   * generic onboarding prompt threaded through `<CoachLaunchButton>`'s
-   * default.
+   * The empty state's Coach question, for a metric that asks its own. Without
+   * it the page asks the shared, translated one with its own title.
    */
   coachPrefill?: string;
   /**
@@ -223,6 +222,17 @@ export interface HealthKitMetricPageProps {
   afterAssessment?: ReactNode;
 }
 
+/**
+ * The empty state's Coach question for a metric that asks none of its own:
+ * one translated sentence around the page's title.
+ */
+function sharedCoachPrefill(
+  t: ReturnType<typeof useTranslations>["t"],
+  metric: string,
+): string {
+  return t("insights.subPage.emptyCoachPrefill", { metric });
+}
+
 export function HealthKitMetricPage({
   measurementType,
   fallbackMeasurementType,
@@ -424,7 +434,7 @@ export function HealthKitMetricPage({
           title={t(`${i18nPrefix}.emptyState.title`)}
           description={t(`${i18nPrefix}.emptyState.description`)}
           cta={ctaNode}
-          coachPrefill={coachPrefill ?? null}
+          coachPrefill={coachPrefill ?? sharedCoachPrefill(t, title)}
         />
       </SubPageShell>
     );
diff --git a/src/components/insights/insights-layout-shell.tsx b/src/components/insights/insights-layout-shell.tsx
index 0fb78dffd..7bba6a385 100644
--- a/src/components/insights/insights-layout-shell.tsx
+++ b/src/components/insights/insights-layout-shell.tsx
@@ -24,12 +24,12 @@ import { useEcgList } from "@/components/insights/use-ecg-list";
 /**
  * v1.4.25 — client shell for `src/app/insights/layout.tsx`.
  *
- * Owns the advisor query so the regenerate button on the sticky tab
- * strip works from every Insights surface (mother + the seven sub-
- * pages). TanStack Query dedup keeps the cost negligible: the mother
- * page's own `useInsightsAdvisorQuery` consumer shares the same
- * `queryKeys.insightsAdvisor()` key, so the two consumers reuse the
- * same cache entry without extra network traffic.
+ * Owns the regenerate button on the sticky tab strip, so it works from
+ * every Insights surface. The strip shows no briefing, so the shell does
+ * not read it: the overview's own `useInsightsAdvisorQuery` does, and the
+ * shell's hook reads it only while its regenerate settles. Every metric
+ * page used to send the briefing read (and load the schema chunk that
+ * parses it) for a button.
  *
  * v1.4.27 — also owns the analytics + comprehensive reads that
  * power the tab-strip availability gate. The analytics consumer goes
@@ -55,8 +55,8 @@ interface ComprehensivePayload {
 
 export function InsightsLayoutShell({ children }: { children: ReactNode }) {
   const { isAuthenticated, user } = useAuth();
-  // The briefing read and the regenerate button follow the `briefing`
-  // capability on `/api/auth/me`: the server resolves the operator's switch,
+  // The regenerate button follows the `briefing` capability on
+  // `/api/auth/me`: the server resolves the operator's switch,
   // the person's AI analysis opt-out, provider presence and consent into one
   // answer, and the strip offers regenerate only while that answer is yes.
   // Unavailable while `/me` loads, so nothing fires before the answer lands.
@@ -68,7 +68,7 @@ export function InsightsLayoutShell({ children }: { children: ReactNode }) {
   const mounted = useMounted();
   const advisorEnabled = mounted && isAuthenticated && briefing.available;
 
-  const advisor = useInsightsAdvisorQuery(advisorEnabled);
+  const advisor = useInsightsAdvisorQuery(false);
 
   // Shared analytics fetch — the layout shell only reads
   // `summaries[METRIC].count` for the tab-strip availability gate, so
diff --git a/src/components/insights/insights-tab-strip.tsx b/src/components/insights/insights-tab-strip.tsx
index 53981829d..23b012e52 100644
--- a/src/components/insights/insights-tab-strip.tsx
+++ b/src/components/insights/insights-tab-strip.tsx
@@ -61,20 +61,17 @@ import { isSurfaceVisible } from "@/lib/modules/surface";
  *   - Active pill gets `aria-current="page"`.
  *   - The regenerate button has an `aria-label` so the icon-only
  *     affordance is announced. The button only renders when
- *     `onRegenerate` is wired — sub-pages don't carry the regenerate
- *     handler today (the mother page owns the advisor query and
- *     forwards the trigger via the layout slot).
+ *     `onRegenerate` is wired; the layout shell wires it on every
+ *     Insights page while the briefing capability is available.
  *   - `prefers-reduced-motion` honoured at the global level (no
  *     scroll-into-view here — Next.js routing handles focus + scroll).
  */
 
 export interface InsightsTabStripProps {
   /**
-   * Optional regenerate handler. Only the mother page passes this;
-   * sub-pages render the strip without the right-slot button.
-   * Wiring the strip in `layout.tsx` means we'd need a layout-level
-   * advisor query — for v1.4.25 we keep the strip stateless and the
-   * regenerate affordance on the mother page only.
+   * Optional regenerate handler. The layout shell passes it on every
+   * Insights page while the briefing capability is available; without
+   * it the strip renders no customise or regenerate control.
    */
   onRegenerate?: () => void;
   /** Spinner state — disables the button and swaps the icon. */
diff --git a/src/components/insights/use-insights-advisor.ts b/src/components/insights/use-insights-advisor.ts
index 929ed2717..27c61e142 100644
--- a/src/components/insights/use-insights-advisor.ts
+++ b/src/components/insights/use-insights-advisor.ts
@@ -1,7 +1,12 @@
 "use client";
 
 import { useCallback, useState } from "react";
-import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+import {
+  useMutation,
+  useQuery,
+  useQueryClient,
+  type QueryClient,
+} from "@tanstack/react-query";
 import { pollAttemptCount } from "@/lib/queries/refetch-interval";
 import type { InsightResult } from "@/lib/ai/types";
 // Type-only — the runtime schemas load lazily inside `fetchAdvisor` so
@@ -429,6 +434,27 @@ export async function fetchAdvisor(
   return { payload, outcome: "fresh" };
 }
 
+/**
+ * The payload a regenerate settles against. A surface that shows no briefing
+ * (the tab strip on a metric page) has not read it, and a timed-out
+ * regenerate without a baseline takes whatever briefing the cache holds for
+ * the fresh one. So the read runs first when the cache is empty; a failed
+ * read leaves the baseline empty, as it was before.
+ */
+export async function ensureAdvisorBaseline(
+  queryClient: QueryClient,
+): Promise<void> {
+  if (queryClient.getQueryData(queryKeys.insightsAdvisor()) !== undefined) {
+    return;
+  }
+  await queryClient
+    .fetchQuery({
+      queryKey: queryKeys.insightsAdvisor(),
+      queryFn: () => fetchAdvisor(),
+    })
+    .catch(() => undefined);
+}
+
 export interface UseInsightsAdvisorResult {
   payload: InsightAdvisorPayload | null;
   isLoading: boolean;
@@ -485,7 +511,9 @@ export interface UseInsightsAdvisorResult {
  * available, whatever the caller passes: every consumer (the overview, the
  * tab strip) gets the same gate, and none can re-enable the read behind the
  * other's back. While `/me` loads the capability reads unavailable, so the
- * first paint never fires a request only to have it refused.
+ * first paint never fires a request only to have it refused. The tab strip
+ * passes `false`: it shows no briefing and only owns the regenerate button,
+ * so it reads the briefing only while its own regenerate settles.
  */
 export function useInsightsAdvisorQuery(
   enabled: boolean,
@@ -506,7 +534,9 @@ export function useInsightsAdvisorQuery(
     // outcome) so the read path can surface WHY a payload is missing
     // (`no-provider` → connect-AI hint instead of a dead regenerate CTA).
     queryFn: () => fetchAdvisor(),
-    enabled: enabled && briefing.available,
+    // A caller that shows no briefing still reads it while its own
+    // regenerate settles: the settle is decided on these polls.
+    enabled: (enabled || settling !== null) && briefing.available,
     // 24h cache window matches the server-side `insightsCachedAt` TTL.
     staleTime: 60 * 60 * 1000,
     retry: false,
@@ -556,7 +586,10 @@ export function useInsightsAdvisorQuery(
   }
 
   const mutation = useMutation({
-    mutationFn: () => fetchAdvisor({ force: true, responseTimeoutMs }),
+    mutationFn: async () => {
+      await ensureAdvisorBaseline(queryClient);
+      return fetchAdvisor({ force: true, responseTimeoutMs });
+    },
     onSuccess: (result) => {
       if (result.payload) {
         // A genuinely fresh generation landed — write it into the shared
diff --git a/src/components/monitoring/__tests__/bootstrap.test.tsx b/src/components/monitoring/__tests__/bootstrap.test.tsx
new file mode 100644
index 000000000..e0a8c8fdb
--- /dev/null
+++ b/src/components/monitoring/__tests__/bootstrap.test.tsx
@@ -0,0 +1,49 @@
+import { describe, expect, it, vi } from "vitest";
+import { renderToStaticMarkup } from "react-dom/server";
+
+/**
+ * The monitoring switches come from the root layout's render, not from a
+ * request every page load sent to `/api/monitoring/settings` for three
+ * instance-wide values. The first render already mounts what they turn on.
+ */
+
+const apiGet = vi.fn();
+vi.mock("@/lib/api/api-fetch", () => ({
+  apiGet: (...args: unknown[]) => apiGet(...args),
+}));
+vi.mock("@/components/monitoring/umami-script", () => ({
+  UmamiScript: (props: { enabled: boolean; websiteId: string | null }) => (
+    <i data-umami={`${props.enabled}:${props.websiteId}`} />
+  ),
+}));
+vi.mock("@/components/monitoring/glitchtip-reporter", () => ({
+  GlitchtipReporter: (props: { enabled: boolean }) => (
+    <i data-glitchtip={String(props.enabled)} />
+  ),
+}));
+
+import { MonitoringBootstrap } from "../bootstrap";
+
+describe("MonitoringBootstrap", () => {
+  it("mounts what the layout's switches turn on, without asking the server", () => {
+    const html = renderToStaticMarkup(
+      <MonitoringBootstrap
+        settings={{
+          umamiEnabled: true,
+          umamiWebsiteId: "site-1",
+          glitchtipEnabled: true,
+        }}
+      />,
+    );
+
+    expect(html).toContain('data-umami="true:site-1"');
+    expect(html).toContain('data-glitchtip="true"');
+    expect(apiGet).not.toHaveBeenCalled();
+  });
+
+  it("mounts nothing without settings", () => {
+    expect(renderToStaticMarkup(<MonitoringBootstrap settings={null} />)).toBe(
+      "",
+    );
+  });
+});
diff --git a/src/components/monitoring/bootstrap.tsx b/src/components/monitoring/bootstrap.tsx
index 0598dcff5..1f6c790ae 100644
--- a/src/components/monitoring/bootstrap.tsx
+++ b/src/components/monitoring/bootstrap.tsx
@@ -1,43 +1,21 @@
-"use client";
-
-import { useEffect, useState } from "react";
 import { UmamiScript } from "@/components/monitoring/umami-script";
 import { GlitchtipReporter } from "@/components/monitoring/glitchtip-reporter";
-import { apiGet } from "@/lib/api/api-fetch";
-
-interface MonitoringSettings {
-  umamiEnabled: boolean;
-  umamiWebsiteId: string | null;
-  glitchtipEnabled: boolean;
-}
-
-export function MonitoringBootstrap() {
-  const [settings, setSettings] = useState<MonitoringSettings | null>(null);
-
-  useEffect(() => {
-    let active = true;
-
-    apiGet<MonitoringSettings | undefined>("/api/monitoring/settings", {
-      cache: "no-store",
-    })
-      .then((data) => {
-        if (!active || !data) return;
-        setSettings(data);
-      })
-      .catch(() => {
-        if (!active) return;
-        setSettings({
-          umamiEnabled: false,
-          umamiWebsiteId: null,
-          glitchtipEnabled: false,
-        });
-      });
-
-    return () => {
-      active = false;
-    };
-  }, []);
+import type { PublicMonitoringSettings } from "@/lib/monitoring-settings";
 
+/**
+ * Mounts the operator's analytics script and error reporter. The root layout
+ * reads the instance-wide switches on the server and passes them in, so no
+ * page load asks `/api/monitoring/settings` for three values the document
+ * render already had. `null` (the key-mismatch page) mounts nothing.
+ */
+export function MonitoringBootstrap({
+  settings,
+}: {
+  settings: Pick<
+    PublicMonitoringSettings,
+    "umamiEnabled" | "umamiWebsiteId" | "glitchtipEnabled"
+  > | null;
+}) {
   if (!settings) return null;
 
   return (
diff --git a/src/components/version-poller.tsx b/src/components/version-poller.tsx
index 6252509fb..3d0527b4c 100644
--- a/src/components/version-poller.tsx
+++ b/src/components/version-poller.tsx
@@ -19,7 +19,8 @@ import { HEALTHLOG_CACHE_NAME_RE } from "@/lib/pwa/sw-cache-policy";
  * the user trips the error — typically in the middle of a
  * navigation flow.
  *
- * This component runs the check pro-actively. Every 60 s it fetches
+ * This component runs the check pro-actively. Every 60 s while the tab
+ * is in view (and once on coming back to it) it fetches
  * `/api/version` and compares the live version string against
  * `NEXT_PUBLIC_APP_VERSION` (injected from `package.json` at build
  * time by `next.config.ts`). When the live version moves ahead of
@@ -93,6 +94,19 @@ async function fetchLiveVersion(signal: AbortSignal): Promise<string | null> {
   }
 }
 
+/**
+ * Whether a tab that comes back into view checks the version now. A hidden
+ * tab skips its ticks, so the first look after a full interval away is due at
+ * once; a quick switch back and forth is not a reason to ask again.
+ */
+export function versionCheckDueOnReturn(
+  visibility: DocumentVisibilityState,
+  lastCheckedAt: number,
+  now: number,
+): boolean {
+  return visibility === "visible" && now - lastCheckedAt >= POLL_INTERVAL_MS;
+}
+
 // In-memory mirror of the session guard: under strict-privacy modes
 // sessionStorage throws, and without a fallback a persistent
 // shell/live mismatch (misconfigured build) would reload every poll.
@@ -165,8 +179,10 @@ export function VersionPoller(): null {
     if (typeof window === "undefined") return;
 
     const controller = new AbortController();
+    let lastCheckedAt = 0;
 
     async function checkOnce(): Promise<void> {
+      lastCheckedAt = Date.now();
       const live = await fetchLiveVersion(controller.signal);
       let lastReloadedFor: string | null = null;
       try {
@@ -201,16 +217,31 @@ export function VersionPoller(): null {
     }
 
     // First check 5 s after mount — gives the app a chance to settle
-    // before we surface anything. Then on the recurring interval.
-    const initial = window.setTimeout(() => void checkOnce(), 5_000);
-    const interval = window.setInterval(
-      () => void checkOnce(),
-      POLL_INTERVAL_MS,
-    );
+    // before we surface anything. Then on the recurring interval, but only
+    // while the tab is in view: a background tab asks nothing and checks
+    // once when it comes back.
+    const tick = () => {
+      if (document.visibilityState === "visible") void checkOnce();
+    };
+    const onVisibilityChange = () => {
+      if (
+        versionCheckDueOnReturn(
+          document.visibilityState,
+          lastCheckedAt,
+          Date.now(),
+        )
+      ) {
+        void checkOnce();
+      }
+    };
+    const initial = window.setTimeout(tick, 5_000);
+    const interval = window.setInterval(tick, POLL_INTERVAL_MS);
+    document.addEventListener("visibilitychange", onVisibilityChange);
 
     return () => {
       window.clearTimeout(initial);
       window.clearInterval(interval);
+      document.removeEventListener("visibilitychange", onVisibilityChange);
       controller.abort();
     };
   }, [t]);
diff --git a/src/lib/insights/derived/__tests__/coach-read-drivers-cache.test.ts b/src/lib/insights/derived/__tests__/coach-read-drivers-cache.test.ts
new file mode 100644
index 000000000..b4c2a1ed4
--- /dev/null
+++ b/src/lib/insights/derived/__tests__/coach-read-drivers-cache.test.ts
@@ -0,0 +1,117 @@
+/**
+ * The "Coach read" strip reads its pattern line from one cached scan per
+ * record and language, not one scan per metric page: the scan covers every
+ * channel and does not depend on the metric. A failed scan is not cached, a
+ * write that sweeps the record's analytics cells forces a new one, and a
+ * switched-off module reads under its own cell.
+ */
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+const readCoachCorrelations = vi.fn();
+const resolveModuleMap = vi.fn();
+
+vi.mock("@/lib/db", () => ({
+  prisma: {
+    measurement: {
+      findMany: async () => [],
+      findFirst: async () => null,
+    },
+  },
+}));
+vi.mock("@/lib/logging/context", () => ({ annotate: vi.fn() }));
+vi.mock("@/lib/modules/gate", () => ({
+  resolveModuleMap: (userId: string) => resolveModuleMap(userId),
+}));
+vi.mock("@/lib/insights/derived/baseline", async (importOriginal) => ({
+  ...(await importOriginal<typeof import("@/lib/insights/derived/baseline")>()),
+  loadBaselineProfile: async () => ({ ageYears: 40, sex: "MALE" }),
+  // The band is not what this file is about: no band, the strip says
+  // "still learning" and only the pattern line varies.
+  computeVitalsBaseline: async () => ({ status: "insufficient" }),
+}));
+vi.mock("@/lib/ai/coach/tools/correlations-read", () => ({
+  readCoachCorrelations: (userId: string, locale: string) =>
+    readCoachCorrelations(userId, locale),
+}));
+
+import { __resetAllCachesForTests } from "@/lib/cache/server-cache";
+import { invalidateUserMood } from "@/lib/cache/invalidate";
+import { buildCoachReadStrip } from "@/lib/insights/derived/coach-read";
+
+const SLEEP_DRIVER = {
+  behaviour: "symptom severity",
+  outcome: "sleep duration",
+  direction: "lower" as const,
+  lagDays: 1,
+  n: 40,
+  r: -0.6,
+  note: "A pattern to watch, not a cause.",
+};
+const PULSE_DRIVER = { ...SLEEP_DRIVER, outcome: "pulse" };
+
+const strip = (type: "SLEEP_DURATION" | "PULSE", locale: "en" | "de" = "en") =>
+  buildCoachReadStrip("u1", type, locale, { tz: "UTC" });
+
+beforeEach(() => {
+  __resetAllCachesForTests();
+  readCoachCorrelations.mockReset().mockResolvedValue({
+    present: true,
+    drivers: [SLEEP_DRIVER, PULSE_DRIVER],
+  });
+  resolveModuleMap.mockReset().mockResolvedValue({});
+});
+
+describe("coach read — the pattern scan behind the strip", () => {
+  it("scans once for two metric pages and picks each page's own driver", async () => {
+    const sleep = await strip("SLEEP_DURATION");
+    const pulse = await strip("PULSE");
+
+    expect(readCoachCorrelations).toHaveBeenCalledTimes(1);
+    expect(sleep.driver?.outcome).toBe("sleep duration");
+    expect(pulse.driver?.outcome).toBe("pulse");
+  });
+
+  it("scans again per language, since the note is a finished sentence", async () => {
+    await strip("SLEEP_DURATION", "en");
+    await strip("SLEEP_DURATION", "de");
+
+    expect(readCoachCorrelations).toHaveBeenCalledTimes(2);
+    expect(readCoachCorrelations).toHaveBeenLastCalledWith("u1", "de");
+  });
+
+  it("does not keep a failed scan", async () => {
+    readCoachCorrelations.mockResolvedValueOnce({
+      present: false,
+      reason: "retrieval_failed",
+    });
+
+    const failed = await strip("SLEEP_DURATION");
+    const retried = await strip("SLEEP_DURATION");
+
+    expect(failed.driver).toBeNull();
+    expect(retried.driver?.outcome).toBe("sleep duration");
+    expect(readCoachCorrelations).toHaveBeenCalledTimes(2);
+  });
+
+  it("scans again after a write sweeps the record's analytics cells", async () => {
+    await strip("SLEEP_DURATION");
+    invalidateUserMood("u1");
+    await strip("SLEEP_DURATION");
+
+    expect(readCoachCorrelations).toHaveBeenCalledTimes(2);
+  });
+
+  it("reads a switched-off module under its own cell", async () => {
+    await strip("SLEEP_DURATION");
+    resolveModuleMap.mockResolvedValue({ insights: false });
+    readCoachCorrelations.mockResolvedValue({
+      present: false,
+      reason: "module_disabled",
+    });
+
+    const off = await strip("SLEEP_DURATION");
+
+    expect(readCoachCorrelations).toHaveBeenCalledTimes(2);
+    expect(off.driver).toBeNull();
+  });
+});
diff --git a/src/lib/insights/derived/coach-read.ts b/src/lib/insights/derived/coach-read.ts
index 55850a81c..0b152516f 100644
--- a/src/lib/insights/derived/coach-read.ts
+++ b/src/lib/insights/derived/coach-read.ts
@@ -25,8 +25,12 @@
  * component and the unit test can share them without pulling Prisma.
  */
 import type { MeasurementType } from "@/generated/prisma/client";
+import { cachedSwr, caches, type ServerCache } from "@/lib/cache/server-cache";
 import { prisma } from "@/lib/db";
 import type { Locale } from "@/lib/i18n/config";
+import { annotate } from "@/lib/logging/context";
+import { resolveModuleMap } from "@/lib/modules/gate";
+import { MODULE_KEYS } from "@/lib/modules/registry";
 import {
   loadBaselineProfile,
   computeVitalsBaseline,
@@ -42,7 +46,10 @@ import {
   isFromToday,
 } from "@/lib/insights/measurement-freshness";
 import { userDayKey } from "@/lib/tz/format";
-import { readCoachCorrelations } from "@/lib/ai/coach/tools/correlations-read";
+import {
+  readCoachCorrelations,
+  type CoachCorrelationDriver,
+} from "@/lib/ai/coach/tools/correlations-read";
 import {
   humaniseType,
   placeAgainstBand,
@@ -88,6 +95,34 @@ function latestDay(
   };
 }
 
+/**
+ * The discovered drivers, through the analytics cache. The scan covers every
+ * channel over 180 days and does not depend on the metric, so without the cell
+ * each metric page paid the whole scan again for the one line it picks. Same
+ * cell contract as `/api/insights/correlations`: measurement, mood, medication,
+ * illness, custom-metric and pattern writes sweep the `${userId}|` prefix, and
+ * the switched-off modules are part of the key. A failed read is not cached.
+ */
+async function readDrivers(
+  userId: string,
+  locale: Locale,
+): Promise<CoachCorrelationDriver[] | null> {
+  const modules = await resolveModuleMap(userId);
+  const modulesOff = MODULE_KEYS.filter((key) => modules[key] === false);
+  return cachedSwr(
+    caches.analytics as ServerCache<CoachCorrelationDriver[] | null>,
+    `${userId}|coach-read-drivers|${locale}|off:${modulesOff.join(",")}`,
+    async () => {
+      const result = await readCoachCorrelations(userId, locale);
+      if (result.reason === "retrieval_failed") {
+        throw new Error("coach read correlations failed");
+      }
+      return result.drivers ?? null;
+    },
+    annotate,
+  );
+}
+
 /** Trailing window the band engine reads; the day-mean placement matches it. */
 const BAND_WINDOW_DAYS = 30;
 
@@ -165,13 +200,11 @@ export async function buildCoachReadStrip(
   const now = opts.now ?? new Date();
   const profile = await loadBaselineProfile(prisma, userId);
 
-  const [baselineDerived, latest, correlations] = await Promise.all([
+  const [baselineDerived, latest, drivers] = await Promise.all([
     computeVitalsBaseline(userId, profile, { type, now }),
     readLatestValue(userId, type),
     // Line 2 is best-effort: a correlation failure must never sink the band.
-    readCoachCorrelations(userId, locale).catch(
-      () => ({ present: false }) as const,
-    ),
+    readDrivers(userId, locale).catch(() => null),
   ]);
 
   let baseline: CoachReadBaseline | null = null;
@@ -207,11 +240,8 @@ export async function buildCoachReadStrip(
   }
 
   const driver = ((): CoachReadDriver | null => {
-    if (!("drivers" in correlations) || !correlations.drivers) return null;
-    const picked = pickDriverForMetric(
-      correlations.drivers,
-      humaniseType(type),
-    );
+    if (!drivers) return null;
+    const picked = pickDriverForMetric(drivers, humaniseType(type));
     if (!picked) return null;
     return {
       note: picked.note,
diff --git a/src/lib/queries/__tests__/use-dashboard-snapshot.test.tsx b/src/lib/queries/__tests__/use-dashboard-snapshot.test.tsx
index c19d91a69..892a178f3 100644
--- a/src/lib/queries/__tests__/use-dashboard-snapshot.test.tsx
+++ b/src/lib/queries/__tests__/use-dashboard-snapshot.test.tsx
@@ -143,6 +143,46 @@ describe("useDashboardSnapshot — auto-refresh on an open page", () => {
     await (opts.queryFn as () => Promise<unknown>)();
     expect(setQueryDataMock).not.toHaveBeenCalled();
   });
+
+  it("seeds the mood chart's series from the mood tile, so the chart asks for nothing", async () => {
+    const entries = [{ date: "2026-11-10", score: 4, samples: 1 }];
+    const summary = { count: 1, latest: 4 };
+    vi.stubGlobal(
+      "fetch",
+      vi.fn().mockResolvedValue(
+        envelopeResponse({
+          layout: { widgets: [] },
+          tiles: { mood: { entries, summary } },
+        }),
+      ),
+    );
+    getQueryDataMock.mockReturnValue(undefined);
+    useDashboardSnapshot();
+    await (lastOpts().queryFn as () => Promise<unknown>)();
+    expect(setQueryDataMock).toHaveBeenCalledWith(queryKeys.moodAnalytics(), {
+      entries,
+      summary,
+    });
+  });
+
+  it("leaves the mood chart to its own read when the tile has no readings", async () => {
+    vi.stubGlobal(
+      "fetch",
+      vi.fn().mockResolvedValue(
+        envelopeResponse({
+          layout: { widgets: [] },
+          tiles: { mood: { entries: [], summary: null } },
+        }),
+      ),
+    );
+    getQueryDataMock.mockReturnValue(undefined);
+    useDashboardSnapshot();
+    await (lastOpts().queryFn as () => Promise<unknown>)();
+    expect(setQueryDataMock).not.toHaveBeenCalledWith(
+      queryKeys.moodAnalytics(),
+      expect.anything(),
+    );
+  });
 });
 
 describe("prefetchDashboardSnapshot — hydration-safe promise handoff", () => {
diff --git a/src/lib/queries/use-dashboard-snapshot.ts b/src/lib/queries/use-dashboard-snapshot.ts
index 280564b75..f5b85aff3 100644
--- a/src/lib/queries/use-dashboard-snapshot.ts
+++ b/src/lib/queries/use-dashboard-snapshot.ts
@@ -194,6 +194,21 @@ function makeSnapshotQueryFn(queryClient: QueryClient) {
     if (!queryClient.getQueryData(queryKeys.dashboardWidgets())) {
       queryClient.setQueryData(queryKeys.dashboardWidgets(), snap.layout);
     }
+    // The mood tile carries the series `/api/mood/analytics` answers (one
+    // engine, `buildMoodDailySeries`), which is what the mood chart reads.
+    // Same seed-when-empty rule, and only with readings, the one case where
+    // the tile's summary is the route's.
+    const mood = snap.tiles?.mood;
+    if (
+      mood?.summary &&
+      mood.entries.length > 0 &&
+      !queryClient.getQueryData(queryKeys.moodAnalytics())
+    ) {
+      queryClient.setQueryData(queryKeys.moodAnalytics(), {
+        entries: mood.entries,
+        summary: mood.summary,
+      });
+    }
     return snap;
   };
 }